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How can we delete a MySQL stored function from the database?
If we have ALTER ROUTINE privileges then with the help of DROP FUNCTION statement, we can delete a MySQL stored function. Its syntax can be as follows −
Syntax
DROP FUNCTION [IF EXISTS] function_name
Here function_name is the name of the function which we want to delete from our database.
Example
mysql> DROP FUNCTION if exists Hello1; Query OK, 0 rows affected (0.70 sec)
Now after deleting the function, check for the CREATE FUNCTION statement and we will get the error as follows −
mysql> SHOW CREATE FUNCTION Hello1; ERROR 1305 (42000): Function Hello1 does not exist.
Updated on: 22-Jun-2020
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