@Shenoy07

22. MySQL: CASE Statement

Feb 6, 2023 · 3 min read · The case statement in MySQL is a conditional expression that returns a value based on one or more conditions. It is used to determine the result of a query based on different conditions. Facts to Remember: The CASE statement in MySQL can be used in ...

21. MySQL: COALESCE() Function

Feb 2, 2023 · 2 min read · The COALESCE function in MySQL is used to return the first non-NULL value in a list of expressions. If all expressions are NULL, the function returns NULL. This function is useful for handling missing or optional data, replacing NULL values with a de...

20. MySQL: IFNULL() Function

Feb 1, 2023 · 2 min read · The IFNULL() function in MySQL is a useful tool that allows you to replace NULL values with a specified value. Points To Remember: The IFNULL() function takes two arguments: the expression to be evaluated, and the replacement value to be used if the...

19. MySQL: EXISTS Operator

Jan 30, 2023 · 2 min read · The EXISTS operator is a logical operator in MySQL used to test if a subquery returns any rows. The EXISTS operator returns a boolean value, either TRUE or FALSE, depending on whether the subquery returns any rows. EXISTS Operator: The EXISTS operat...

18. MySQL: HAVING Clause

Jan 28, 2023 · 4 min read · The HAVING clause in MySQL is used in conjunction with the GROUP BY clause to filter the results of a query based on aggregate values. It is used to filter groups based on a specified condition, similar to how the WHERE clause is used to filter indiv...