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SQLmysql

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How to Select the First Row of Each GROUP BY in SQL?

Last Updated: 05 December 2024

Selecting the first row of each group in SQL is a common requirement in database queries, especially when working with grouped data. SQL GROUP BY queries are highly effect...read more

Technical Scripter 2022

Databases

How to Convert Data From SQL to C Data Types?

Last Updated: 06 October 2022

At the point when an application calls SQLExecute or SQLExecDirect, the driver recovers the data for any boundaries bound with SQLBindParameter from capacity areas in the ...read more

Cloning Table in MySQL

Last Updated: 03 September 2024

Duplicating a table in MySQL involves creating a new table that replicates an existing table's structure and/or data. This capability is valuable for creating backups, set...read more

MySQLi Procedural Functions

Last Updated: 13 February 2023

MySQLi (MySQL Improved) provides procedural and object oriented interface to data and its management. The i extension MySQL functions allows the user to access its databas...read more

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MySQL | CONNECTION_ID( ) Function

Last Updated: 25 November 2019

The MySQL CONNECTION_ID() function is used for return the connection ID for a current connection in MySQL. The connection ID used to establish a connection to a database i...read more

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SQLmysql

MySQL | CAST( ) Function

Last Updated: 12 May 2023

The MySQL CAST() function is used for converting a value from one datatype to another specific datatype. The CAST() function accepts two parameters which are the value to ...read more

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MySQL | SESSION_USER( ) Function

Last Updated: 25 November 2019

The MySQL SESSION_USER() function is used for returning the current user name and host name for the MySQL connection being used by the user. The SESSION_USER() function do...read more

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MySQL COALESCE() Function

Last Updated: 31 May 2024

The MySQL COALESCE() function returns the first non-null value in a list of expressions.COALESCE function in MySQLThe COALESCE function in MySQL is used to get the first n...read more

Last Updated: 06 June 2024

The MySQL IF() function is a control flow function that returns different values based on the result of a condition. IF() Function in MySQLThe IF() function in MySQL retur...read more

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MySQL | BINARY Function

Last Updated: 21 November 2019

The MySQL BINARY function is used for converting a value to a binary string. The BINARY function can also be implemented using CAST function as CAST(value AS BINARY).The ...read more

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MySQL | CONV( ) Function

Last Updated: 21 November 2019

The MySQL CONV() function is used for converting a number from one numeric base system to another. The value returned by the CONV() function is in the form of a string val...read more

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MySQL | CONVERT( ) Function

Last Updated: 19 November 2019

The MySQL CONVERT() function is used for converting a value from one datatype to a different datatype. The MySQL CONVERT() function is also used for converting a value fro...read more

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MySQL | VERSION( ) Function

Last Updated: 19 November 2019

The MySQL Version() function is used for returning the current version of the MySQL database. This function uses the utf8 character set. Generally, there is a suffix retur...read more

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MySQL | NULLIF( ) Function

Last Updated: 19 May 2021

The MySQL NULLIF() function is used for the comparison of two expressions. The NULLIF() function returns NULL if both the expressions are equal, else it returns the first ...read more

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SQLmysql

MySQL ISNULL( ) Function

Last Updated: 06 June 2024

The MySQL ISNULL() function is used for checking whether an expression is NULL or not. This function returns 1 if the expression passed is NULL; otherwise, it returns 0. ...read more

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