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Oracle Database11g tutorials 13 || SQL substr function / SQL substring function
 
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link of SQL substr blog : http://www.rebellionrider.com/SQL-substr-function.htm SQL substr function SQL Substr function will return a sub string of a specified length from the source string beginning at a given position. Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ---------------------------------------------------------------------------- As the name suggests SQL Substr function will return substring from a given source string. Let's see the Syntax Substr (source_string, start_pos, Substr_length) As we can see SQL substr function takes 3 parameters. First one is Source string from which you want to extract the segment. Second parameter is Starting position for sub string from the Source string. And the third parameter is Substr_length which is the length for the substring. First two parameters are mandatory to specify while third one is optional. So we can say. SQL Substr function will return a sub string of a specified length from the source string beginning at a given position. First parameter source string can be of any data type CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB whereas both start_pos, Substr_length parameters must be number data type. The returning result of SQL Substr function is of same data type of source string. Let's see an example of SQL Substr function. SELECT substr('www.RebellionRider.com',5,14) FROM dual; Here in this query url of my website www.RebellionRider.com is our source string with the total length of 22 characters, Now, I want to extract the name of my website that is, RebellionRider. So if you count the total length of the name of the website, it is 14. That's why I have specified 14 as my third parameter of SQL Substr function which is substr_length. Also the name of the website RebellionRider is starting from 5th position therefore I have specified 5 at second parameter of SQL substr function which is strt_pos or starting position. Execute it. Here is our result RebellionRider When starting position is larger than the length of source string. In this case SQL Substr function will return NULL as a result. Let's do an example. SELECT substr('www.RebellionRider.com',23,14) FROM dual; As you can see here I have specified 23 at starting position and the total length of our source string is 22 characters Let's execute And the result is Null. Second scenario When the Substr_length is greater than source string In this case the segment return is the substring from starting position to the end of the string. For example SELECT substr('www.RebellionRider.com',5,23) FROM dual; Our starting position is at 5 means at the first R of RebellionRider and length of substring is set to 23 which is greater than the length of source string that is 22. Execute. As you can see we get a substring from first R of RebellionRider till the end of the source String. Third scenario When you supply numeric or arithmetic expression or a DATE instead of character as Source string to SQL Substr function In this scenario If you have supplied a numeric string instead of character as source string, the oracle engine casts them as a character when they occur as parameter to SQL Substr function. And if you have supplied Arithmetic expression or a DATE then The Oracle engine first solves or evaluates the Arithmetic expression or the DATE Then casts them as a character. Means if you have arithmetic expression in your source string then oracle will first solve it and then change or say cast the value of its result into character. Let's see some example. SELECT substr(50000-7,2,4) FROM dual; Oracle first evaluates the arithmetic expression that is 50000-7 equals to 49993. And then oracle engine casts this result 49993 into a character string. Means 49993 will be a 5 characters string. Starting position of substring is 2, that means from the first 9 of 49993 We specified the length of substring is 4 so we must get 9993 as our result. Let's check execute
Views: 80864 Manish Sharma
SQL: Extract function
 
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In this tutorial, you'll learn how to make use of extract function. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 4052 radhikaravikumar
Oracle  || LOB Large object in PL/SQL by Shiva
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS , ADF, INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo............
Oracle LISTAGG Function
 
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https://www.databasestar.com/oracle-listagg/ The Oracle LISTAGG function allows you to aggregate or combine string values from multiple rows into a single row. For example, it turns this data: FIRST_NAME Adam Brad Carrie Into this data: FIRST_NAME Adam, Brad, Carrie The same data is shown, but it’s in one row and not multiple. It’s a valuable string manipulation function, and once you know what it is and how it works, you’ll be able to use it in your queries as needed. So what does it look like? The function is: LISTAGG ( measure_expr [, delimiter]) WITHIN GROUP (order_by_clause) [OVER query_partition_clause] These parameters are: measure_expr: This is a column or expression that you want to concatenate the values of. In the example above, it was the first_name column. Mandatory. delimiter: This is the character between each of the measure_expr values. Optional, the default is a comma. order_by_clause: This is the order that the values from the measure_expr are listed. Mandatory. query_partition_clause: This allows you to use LISTAGG as an analytic function, allowing you to show LISTAGG in groups for different rows. One thing to be aware of is that the output of the Oracle LISTAGG function is limited to 4,000 bytes. If you get more than this, you’ll receive an error. The most common way around this that I’ve seen is to write a custom function and use a CLOB. Watch the video to find out more and see some examples. For more information about the Oracle LISTAGG function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-listagg/
Views: 2772 Database Star
Regular Expressions in oracle part 2/ Arabic
 
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Regular Expressions in oracle part 2/ Arabic -- we use Regexp to search/ match / replace string --1 Regexp_like --2 Regexp_replace --3 Regexp_instr --4 Regexp_substr --5 Regexp_count --note we can user Regexp with CHAR/Varchar2/clob but not LONG
Views: 546 khaled alkhudari
Batch export Oracle CLOB data from query results to files
 
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Batch export Oracle CLOB data from query results, by OraLobEditor, http://www.withdata.com/oralobeditor/ . Download link: http://www.withdata.com/down/OraLobEditor.exe .
Views: 3140 Shiji Pan
Regular Expressions in oracle part 3/ Arabic
 
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-- we use Regexp to search/ match / replace string --1 Regexp_like --2 Regexp_replace --3 Regexp_instr --4 Regexp_substr --5 Regexp_count --note we can user Regexp with CHAR/Varchar2/clob but not LONG https://docs.oracle.com/cd/B12037_01/server.101/b10759/functions116.htm#SQLRF06303 http://psoug.org/reference/regexp.html
Views: 484 khaled alkhudari
CONCAT Function in SQL Query with Example
 
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CONCAT(): Syntax: CONCAT(char1,char2); CONCAT returns char1 concatenated with char2. Both char1 and char2 can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The string returned is in the same character set as char1. Its datatype depends on the datatypes of the arguments. In concatenations of two different datatypes, Oracle Database returns the datatype that results in a lossless conversion. Therefore, if one of the arguments is a LOB, then the returned value is a LOB. If one of the arguments is a national datatype, then the returned value is a national datatype. For example: CONCAT(CLOB, NCLOB) returns NCLOB CONCAT(NCLOB, NCHAR) returns NCLOB CONCAT(NCLOB, CHAR) returns NCLOB CONCAT(NCHAR, CLOB) returns NCLOB This function is equivalent to the concatenation operator (||). We can achieve the same using operator '||'. Below two statements are equal: select concat(concat(ename,'''salary is:'),sal) from emp; select ename||'''salary is:'||sal from emp;
Views: 4470 WingsOfTechnology
Oracle Tutorial || Oracle|Adv Sql | Special Characters Quotes by basha
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
Oracle TO_CHAR Function
 
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https://www.databasestar.com/oracle-to_char/ The Oracle TO_CHAR function is a common and useful string manipulation function. It allows you to convert a number or a date value into a string value. It allows you to take a number or a string, and convert it to a VARCHAR2 data type. The syntax of the function is: TO_CHAR( input_value, [format_mask], [nls_parameter] ) The parameters are: - input_value: this is the value to convert to a VARCHAR2 value. It can be one of many different number or date data types. - format_mask is an optional parameter and allows you to specify the format to display the output as. If this is omitted, the function uses a default format. - nls_parameter: this is also optional and lets you determine a regional parameter for displaying the output value. The format mask helps you determine what your output is displayed as. For example, if you provide the date of May 3rd, and the output is ‘03/05/2018’, how do you know if this is May 3rd or March 5th? Using a format mask can specify which format is used. The function is similar to the TO_NUMBER and TO_DATE functions, in that they both convert a specific data type. For more information about the Oracle TO_CHAR function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-to_char/
Views: 987 Database Star
DYN7: Executing REALLY BIG Strings, Describing Columns in Query
 
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Explore how to execute arbitrarily long SQL statements and how to describe the columns of a query. This video was taken from PLSQLChannel.com, originally recorded before Steven Feuerstein re-joined Oracle in March 2014. ======================================== Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Oracle LENGTH Function
 
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https://www.databasestar.com/oracle-length/ The Oracle LENGTH function allows you to find the length of a string, also known as the number of characters in a string. It’s a common feature in different languages, and SQL is no different. The LENGTH function only has one parameter: LENGTH ( string_value ) The parameter is the string_value which is the value to check the length of. The function returns a number that represents the number of characters in the function. Some points to remember about the Oracle LENGTH function: If string_value is NULL, then LENGTH will return NULL. If string_value is an empty string, the LENGTH will return NULL. The string_value can be any of the character data types - CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, NCLOB. If the string_value is a CHAR data type, then the LENGTH will include any trailing spaces in the value. For more information about the Oracle LENGTH function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-length/
Views: 334 Database Star
The DUAL TABLE in Oracle Database
 
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The DUAL TABLE in Oracle Database
Views: 1531 Abe Samir's Academy
call form with global variable in oracle 10g
 
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oracle 10g froms tutorial
Views: 268 maha zaman
DIFFERENCE BETWEEN CHAR AND VARCHAR2 DATATYPE IN ORACLE SQL
 
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This video tutorial explains the difference between similar looking and used char datatype and varchar2 datatypes with an simple example. This video will answer the question such as how is the data internally stored differently for char and vacchar2 datatype. Also why is varchar2 much better option to be used than char data type is explained. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : union and union all : https://youtu.be/n9FqQOd8liY replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 in and exists : https://youtu.be/REX4IjRYlFw rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 3231 Kishan Mashru
Batch update Oracle CLOB field data from files
 
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Batch update Oracle CLOB field data, by OraLobEditor, http://www.withdata.com/oralobeditor/ . Download link: http://www.withdata.com/down/OraLobEditor.exe .
Views: 265 Shiji Pan
Curso Oracle Sql - Video 20 - Funciones Conversion
 
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Conversiones Implícitas. Conversiones Explícitas: To_Date. To_Char. To_Number.
JSON in the Oracle Database
 
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Website: www.binomteknoloji.com Twitter : https://twitter.com/bi_nomteknoloji --STEP1 CREATE TABLE C##MREPUSER2.TWEETS2 AS select SUBSTRB(DBMS_LOB.SUBSTR(RAWSOURCE, 3500 , 1), 1,4000) AS RAWSOURCE1 , T.* FROM C##MREPUSER2.TWEETS T --STEP2 SELECT REPLACE(REPLACE(REPLACE(trim(SUBSTR(RAWSOURCE1,INSTR(RAWSOURCE1,' "created_at": "'), INSTR(RAWSOURCE1,' "id": ')-INSTR(RAWSOURCE1,' "created_at": "'))),'"created_at": "',''),',',''),'"','') created_at, RAWSOURCE1 FROM C##MREPUSER2.TWEETS2
Views: 29 Binom Teknoloji
SQL 036 Data Types, Character String Data, CLOB or Character Large OBject
 
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Explains the SQL CLOB or Character Large OBject data type. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 1240 cbtinc
Displaying Image of Pdf Report in BI Publisher: Oracle -Apex 18.2
 
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1. CREATE OR REPLACE FUNCTION pdf2img(p_blob IN BLOB) RETURN CLOB IS l_clob CLOB; l_step PLS_INTEGER := 12000; - make sure you set a multiple of 3 not higher than 24573 BEGIN FOR i IN 0 .. TRUNC((DBMS_LOB.getlength(p_blob) - 1 )/l_step) LOOP l_clob := l_clob || UTL_RAW.cast_to_varchar2(UTL_ENCODE.base64_encode (DBMS_LOB.substr(p_blob, l_step, i * l_step + 1))); END LOOP; RETURN l_clob; END; Mobile : 01554-767291
Oracle Retrieve data from XML Document using XMLTable
 
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Oracle retrieve data from xml document using xmltable
Views: 6356 Sridhar Raghavan
Oracle PL/SQL Tutorials | Bind Variable in PL/SQLSQL Bind Variable | Mr.Vaman Deshmukh
 
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** For Online Training Registration: https://goo.gl/r6kJbB ► Call: +91-8179191999 ► Visit Our Website for Classroom Training: https://nareshit.in ► For Online Training: https://nareshit.com/ #OraclePLSQLTutorials #BindVariableinPLSQL -------------------------- ► About NareshIT: "Naresh IT is having 14+ years of experience in software training industry and the best Software Training Institute for online training, classroom training, weekend training, corporate training of Hadoop, Salesforce, AWS, DevOps, Spark, Data Science, Python, Tableau, RPA ,Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in USA,Hyderabad, Chennai and Vijayawada,Bangalore India which provides online training across all the locations -------------------------- ► Our Online Training Features: 1.Training with Real-Time Experts 2.Industry Specific Scenario’s 3.Flexible Timings 4.Soft Copy of Material 5. Share Videos of each and every session. -------------------------- Please write back to us at [email protected]/[email protected] or Call us at USA: +1404-232-9879 or India: +918179191999 ** Check The Below Links** ► For Course Reg: https://goo.gl/r6kJbB ► Subscribe to Our Channel: https://goo.gl/q9ozyG ► Circle us on G+: https://plus.google.com/NareshIT ► Like us on Facebook: https://www.facebook.com/NareshIT ► Follow us on Twitter: https://twitter.com/nareshitech ► Follow us on Linkedin: https://in.linkedin.com/company/naresh-i-technologies ► Follow us on Instagram: https://www.instagram.com/nareshitech/ -------------------------------------------------------------------------------------------------------- #oracletutorials #oracletraining #sqltrainingvideos #sqltutorials #oraclevideos
Batch import Oracle CLOB data from files
 
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Batch import Oracle CLOB data, by OraLobEditor, http://www.withdata.com/oralobeditor/ . Download link: http://www.withdata.com/down/OraLobEditor.exe .
Views: 774 Shiji Pan
Difference between char,nchar,varchar,nvarchar in SqlServer
 
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Compleate diffrence between char,nchar,varchar,nvarchar in SqlServer
Views: 15028 Tech mohan
INSTR in Oracle | INSTRING in Oracle | Character Manipulation | Oracle Tutorial for Beginners
 
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INSTR in Oracle | INSTRING in Oracle | Character Manipulation | Oracle Tutorial for Beginners INSTR function in Oracle INSTR function in Oracle SQL INSTR in oracle with example INSTR examples INSTR in Oracle INSTRING in Oracle Character Manipulation Oracle Tutorial for Beginners INSTR in Oracle INSTR in Oracle INSTR in oracle with example INSTRING in Oracle Oracle Tutorial for Beginners INSTR in oracle with example Oracle Database tutorials for Beginners INSTR INSTR INSTR in oracle with example regexp_substr in oracle regexp_instr in oracle oracle INSTRING before character instr in oracle oracle INSTRING right oracle length oracle sql INSTRING after character oracle string functions Character Manipulation INSTR and instr together in oracle instr in oracle examples combination of SUBSTR and instr in sql instr example oracle instr last occurrence how to use substr and INSTR together in oracle instr in sql w3schools oracle sql INSTRING after character
Views: 264 Oracle PL/SQL World
How to use custom delimiter in Oracle
 
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This video shows you how to convert the data in to rows with custom delimiter as any other special character
Oracle LOWER Function
 
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https://www.databasestar.com/oracle-upper-lower/ The Oracle LOWER function is used to convert a string to a lowercase value. It’s useful for comparing text or string values that may have mixed case, such as user input or data from different tables. The opposite of the LOWER function is the UPPER function (which converts to upper case). The syntax of LOWER is: LOWER(input_string) The input_string is the string value to convert to a lower case value. It can be any of CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return type is the same as the input type. You can use the LOWER function in a WHERE clause. However, unless you have a function-based index on the column, any indexes won’t be used. For example, if you have an index on first_name, a query that uses “WHERE LOWER(first_name)” won’t use this index. You’ll have to create an index on the LOWER(first_name) for this to be used. It’s not required, but it’s just something to keep in mind. For more information about the Oracle LOWER function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-upper-lower/
Views: 49 Database Star
Oracle Retrieve data from XML Document using XMLQuery
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 2864 Sridhar Raghavan
LOWER and UPPER Function in SQL
 
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UPPER(): UPPER returns char, with all letters uppercase. char can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return value is the same datatype as char. The database sets the case of the characters based on the binary mapping defined for the underlying character set. LOWER(): LOWER returns char, with all letters lowercase. char can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return value is the same datatype as char. The database sets the case of the characters based on the binary mapping defined for the underlying character set. Thanks for watching...:)
Views: 1271 WingsOfTechnology
How to Parse XML in Oracle
 
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This Video Shows 1. How to Read and parse XML in Oracle using EXTRACTVALUE and XMLTABLE. 2. When to use extractvalue and XMLTable. 3. Brief Introduction to XMLPATH
Views: 12288 yrrhelp
4 Unicode and N character in SQL Server
 
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with Arabic content by easy way to learn شرح بالعربي
What is CHARACTER LARGE OBJECT? What does CHARACTER LARGE OBJECT mean?
 
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What is CHARACTER LARGE OBJECT? What does CHARACTER LARGE OBJECT mean? CHARACTER LARGE OBJECT meaning - CHARACTER LARGE OBJECT definition - CHARACTER LARGE OBJECT explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. SUBSCRIBE to our Google Earth flights channel - https://www.youtube.com/channel/UC6UuCPh7GrXznZi0Hz2YQnQ A Character Large OBject (or CLOB) is a collection of character data in a database management system, usually stored in a separate location that is referenced in the table itself. Oracle and IBM DB2 provide a construct explicitly named CLOB, and the majority of other database systems support some form of the concept, often labeled as text, memo or long character fields. CLOBs usually have very high size-limits, of the order of 2 GB. The tradeoff for the capacity is usually limited access methods. In particular, some database systems limit certain SQL clauses and/or functions, such as LIKE or SUBSTRING from being used on CLOBs. Those that permit such operations may perform them very slowly. Alternative methods of accessing the data are often provided, including means of extracting or inserting ranges of data from the CLOB. Database systems vary in their storage patterns for CLOBs. Some systems always store CLOBs as a reference to out-of-table data, while others store small CLOBs in-table, changing their storage patterns when the size of the data grows beyond a threshold. Other systems are configurable in their behavior.
Views: 37 The Audiopedia
Tutorial#21 you will be surprised | Like operator  in Oracle database|SQL Wildcard characters
 
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Explaining how to use like operator in Oracle database or in other words LIKE operator is used in a WHERE clause to search for a specified pattern in a column or how to use like operator in SQL Or how to use wildcards characters in Oracle SQL Or what are the wildcards in Oracle SQL database or search the records from the database using with Like operator wildcards In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. Follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/lrnwthr/ Twitter: https://twitter.com/LrnWthR
Views: 87 EqualConnect Coach
Oracle UPPER Function
 
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https://www.databasestar.com/oracle-upper-lower/ The Oracle UPPER function is used to convert a string to an uppercase value. It capitalises a string value. It’s useful for comparing text or string values that may have mixed case, such as user input or data from different tables. The opposite of the UPPER function is the LOWER function (which converts to lower case). The syntax of UPPER is: UPPER(input_string) The input_string is the string value to convert to an upper case value. It can be any of CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return type is the same as the input type. You can use the UPPER function in a WHERE clause. However, unless you have a function-based index on the column, any indexes won’t be used. For example, if you have an index on first_name, a query that uses “WHERE UPPER(first_name)” won’t use this index. You’ll have to create an index on the UPPER(first_name) for this to be used. It’s not required, but it’s just something to keep in mind. For more information about the Oracle UPPER function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-upper-lower/
Views: 130 Database Star
Oracle interview question difference between null functions
 
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Difference between NVL,NVL2, NULLIF and COALESCE NVL function will check whether the first input parameter is null, if first input parameter is null then the function returns the second parameter value as output. NVL2 function will check the first parameter, and return second parameter if the first parameter is not null, otherwise returns third parameter. NULLIF will compare the input parameters ( first and second parameter ), and returns NULL of both are same, otherwise returns the first parameter value. COALESCE, returns the first not null expression in the given input parameters. -------------------------------------------------------------------------------------------------------- List of all the SQL and PLSQL interview questions https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 555 Siva Academy
Oracle Tutorial || Oracle|Adv Sql | Special Characters DUAL by basha
 
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Differences between Char and Varchar Datatypes |  MSSQL Training
 
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Views: 17325 Naresh i Technologies
Why is varchar(max) getting truncated?
 
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Have you ever tried to fit more than 8000 characters into a variable defined as varchar(max) (or nvarchar(max)) only to see your data get truncated? Today we explore why this happens and how to fix it, allowing you to create really long SQL strings. Related blog post with example code: https://bertwagner.com/2018/05/15/why-is-my-varcharmax-variable-getting-truncated/ Twitter: https://twitter.com/bertwagner Instagram: https://www.instagram.com/bertwagner/ https://www.instagram.com/sqlwithbert/ Facebook: https://www.facebook.com/SQLWithBert
Views: 421 Bert Wagner
28. SQL for Beginners - REGEXP_REPLACE( ) (Hindi) | Regular Expressions
 
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PL/SQL Playlist: https://www.youtube.com/playlist?list=PLysly0KYnAY1I1I8ACgWYjI5WyFlV4Nin SQL Playlist: https://www.youtube.com/playlist?list=PLysly0KYnAY2q8cobbotVbn36XOskQR2F JavaScript Playlist: https://www.youtube.com/playlist?list=PLysly0KYnAY2tLfvp7bCL3c-psMH9Czs6 HTML5 Playlist: https://www.youtube.com/playlist?list=PLysly0KYnAY2_-PqGSrVTgBpVshxpqQlw Mobile Responsive Form using HTML5 & CSS: https://youtu.be/SECTfL3R0B0 MS SQL Server Installation: https://youtu.be/rZRA692RmuU Clock Animation in PowerPoint : https://youtu.be/LM5iwzNqQQo Envelope Animation in PowerPoint : https://youtu.be/HWlqGGleQqs FACEBOOK PAGE https://www.facebook.com/ishwaracademy/
Views: 147 Ishwar Academy
Manejo y almacenamiento de datos BLOB
 
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Esta es una exposición acerca de los datos BLOB en las base de datos. El código comentado del ejercicio práctico es el siguiente: CREATE DIRECTORY DIR_TEMP AS 'S:\tempExample'; SELECT * FROM ALL_DIRECTORIES; CREATE TABLE TABLA_BLOB ( id NUMBER, valor BLOB DEFAULT EMPTY_BLOB() ) SET serveroutput ON DECLARE v_blob BLOB; v_bfile BFILE; BEGIN INSERT INTO TABLA_BLOB(id, valor) VALUES (1, EMPTY_BLOB()) RETURNING valor INTO v_blob; v_bfile := BFILENAME('DIR_TEMP', 'img.jpeg'); DBMS_LOB.OPEN(v_bfile, DBMS_LOB.LOB_READONLY); DBMS_LOB.LOADFROMFILE(v_blob, v_bfile, SYS.DBMS_LOB.GETLENGTH(v_bfile)); DBMS_LOB.CLOSE(v_bfile); COMMIT; END; SELECT * FROM TABLA_BLOB; SET serveroutput ON DECLARE v_blob BLOB; v_archivo UTL_FILE.FILE_TYPE; v_offset NUMBER:=1; BEGIN SELECT valor INTO v_blob FROM TABLA_BLOB WHERE id = 1; v_archivo := UTL_FILE.FOPEN('DIR_TEMP', 'new.jpeg', 'WB', 32767); LOOP EXIT WHEN v_offset *simbolo_mayorQue* DBMS_LOB.GETLENGTH(v_blob); UTL_FILE.PUT_RAW(v_archivo, DBMS_LOB.SUBSTR(v_blob, 32767, v_offset)); v_offset:=v_offset + 32767; END LOOP; UTL_FILE.FCLOSE(v_archivo); END; DROP TABLE TABLA_BLOB; DROP DIRECTORY DIR_TEMP;
Views: 1670 Adriano Fazio
How to Select and Display Clob Data in Codeigniter
 
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This is how to select and display clob data in codeigniter. If you face error "Object of Class OCI-Lob could not be converted to string", this is the way to solve it.
Views: 633 Tanya Kenapa?
UTL FILE WRITE INTO A FILE USING BULK COLLECT
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 3992 Sridhar Raghavan
Oracle Database11g tutorials 10 || SQL Single Row Function (SQL Functions ) by Pravendra Gaur
 
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Oracle Database11g tutorials 10 || SQL Single Row Function (SQL Functions ) by Pravendra Gaur. Like subscribe my channel Pravendra Gaur , I will teach you how to crack interviews and many other technologies. Like me on facebook https://www.facebook.com/pravendragaur.biz/ Email : [email protected] Oracel single row function. Character functions Upper Lower Initcap Concat Substr Instr Length Lpad Soundex Ltrim Rtrim Replace Regexp_count
Views: 93 Pravendra Gaur
Ask TOM (The Oracle Masters)
 
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AskTom gets a new name.... sort of ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 361 Connor McDonald
Database CLOBs and The Struggle with Indexing Them
 
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http://www.perfectsearchcorp.com -- Devin Fisher, Junior Engineer at Perfect Search, talks about a database CLOB and why databases struggle with indexing and querying CLOBs.
Views: 182 PerfectSearchCorp
IO7: Sending Text to Screen with DBMS_OUTPUT
 
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This video explores the DBMS_OUTPUT package, which directs text to system output (your screen). Download my demo.zip from v.gd/sfdemo to access and run all referenced scripts.
Every VARCHAR2(N) Declaration a Bug!? (HC-4)
 
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That's right. VARCHAR2 declarations mean that you have to provide an "N" or constraint on the size of the variable. If you have such declarations all over your code, that's a form of hard-coding and you are likely to get hammered by VALUE_ERROR exceptions. This video shows you how to fix this problem, focusing in on the very helpful SUBTYPE feature of PL/SQL. ============================ Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
How to convert comma separated string into without comma separated in oracle pl/sql.
 
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How to convert comma separated string into without comma separated in oracle pl/sql.
Views: 24 MOHD ADIL
Batch update DB2 CLOB field data from files
 
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Batch update DB2 CLOB field data, by DB2LobEditor, http://www.withdata.com/db2lobeditor/ . Download link: http://www.withdata.com/down/DB2LobEditor.exe .
Views: 216 Shiji Pan