How to Create a Custom Function in MySQL? We have seen that MySQL has some predefined functions to use and get the required values. But
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What are the Null functions present in MySQL? We have two null functions as below in the mysql 1. IFNULL() 2. COALESCE() We will see
Why is the INSERT INTO SELECT statement used? If we want to copy data selected from one table to another, we can use MySQL INSERT
What is MySQL CASE statement? MySQL CASE statement is a similar switch case where if any condition is ‘true’ then that respective value is returned
What is the use of EXISTS/ANY/ALL Operators in MySQL EXISTS/ANY/ALL Operators in MySQL are used along with the where condition to check if the condition
What is MySQL HAVING? This is similar to the WHERE clause in MySQL but since we can not use the aggregate function in the WHERE
How to use MySQL GROUP BY? As name suggested MySQL GROUP BY is used to group the rows with the same values of defined columns