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2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Next, let's learn about the custom syntax of the mysql function. I believe you will benefit a lot after reading it. The text is not much in essence. I hope the short article on the custom syntax of the mysql function is what you want.
DELIMITER / /
CREATE FUNCTION test (id int (10))
RETURNS CHAR (10)
BEGIN
# define variables
Declare ret char (10)
# assign values to variables
Set...
# Save the query statement to the variable
Select... INTO...
# process Control
If... Then
……
Else
……
End if
# return value
Return ret
END
/ /
DELIMITER
Delete:
Drop function test
Use:
Select test (555555, 888888)
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