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Difference Between WHERE FIND_IN_SET(…)>0 and WHERE FIND_IN_SET(…) in SQL
Last Updated: 30 November 2021
FIND_IN_SET(...): This function returns the index(starting from 1) of the required string in a given list of strings if it is present in the list. If the required string i...
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WIDTH_BUCKET( ) Function in Oracle
Last Updated: 09 November 2021
WIDTH_BUCKET( ) is a mathematical function used in Oracle and PostgreSQL. As the name suggests width_bucket means dividing the histogram into equal width buckets, that is ...
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SQL Query to Alter Column Size in MySQL
Last Updated: 07 October 2024
In MySQL, managing the structure of a database is crucial for optimal data organization and integrity. One common task is altering the size of a column to accommodate chan...
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SQL - SELECT SUM
Last Updated: 06 January 2025
In SQL, the SELECT SUM statement is used to calculate the total sum of values in a numeric column. This powerful aggregate function allows you to summarize large sets of d...
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EXPLAIN in SQL
Last Updated: 14 March 2023
Any SQL query is not fundamentally related to performance, but when used in large fields and its amount is expected to be very large, the performance issue is always prese...
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SQL - SELECT LAST
Last Updated: 29 November 2024
SELECT LAST is a concept or function often used to describe retrieving the last record or last row from a table in SQL. Although MS Access supports a LAST() function to di...
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SQL - SELECT RANDOM
Last Updated: 29 November 2024
In SQL, the RANDOM() function is used to fetch random rows from a table. It is an extremely useful function in various applications, such as selecting random users, retrie...
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SQL SELECT FIRST
Last Updated: 29 November 2024
The SELECT FIRST clause is used in some SQL databases (primarily MS Access) to retrieve the first record from a table based on the order in which data is stored or queried...
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SQL - ALTERNATE KEY
Last Updated: 12 December 2024
Alternate Key is any candidate key not selected as the primary key. So, while a table may have multiple candidate keys (sets of columns that could uniquely identify rows),...
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SQL | ENCRYPT Function
Last Updated: 31 October 2019
The SQL Encrypt function is used to encrypt a string using UNIX crypt(). The function is based on Unix crypt() system call, hence it returns NULL on Windows systems. The E...
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Categories of SQL Functions
Last Updated: 28 August 2024
SQL functions are powerful tools that help streamline queries, perform operations, and manipulate data efficiently. They are essential for handling various tasks within SQ...
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MySQL | Group_CONCAT() Function
Last Updated: 20 November 2024
The GROUP_CONCAT() function in MySQL is an aggregation function that combines data from multiple rows into a single string. It is particularly useful for aggregating summa...
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MySQL | LEAD() and LAG() Function
Last Updated: 14 May 2025
The LEAD() and LAG() functions in MySQL are powerful window functions introduced in version 8.0. They allow users to access data from preceding or following rows without t...
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SQL | Advanced Functions
Last Updated: 26 May 2023
SQL (Structured Query Language) offers a wide range of advanced functions that allow you to perform complex calculations, transformations, and aggregations on your data.Ag...
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SQL | Date Functions (Set-2)
Last Updated: 31 December 2024
SQL Date Functions are powerful tools that allow users to manipulate, extract , and format date and time values within SQL databases. These functions simplify handling tem...
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