Shulou(Shulou.com)05/31 Report--

This article introduces the knowledge of "how to write mysql stored procedures and functions". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Stored procedure

Drop procedure if exists temp;delimiter / / CREATE PROCEDURE temp () BEGIN declare V_RETUR int; begin IF EXISTS (SELECT 1 FROM dual where 1) then IF 1 FROM dual where 1 then set V_RETUR = 1; select Vogue RETURR; END if; END if; end;END//call temp ()

Function

Drop function if exists hello; delimiter / / CREATE FUNCTION hello (s CHAR (20)) RETURNS CHAR (50) begin RETURN CONCAT ('Hello,','s admin''); end//select hello ('admin'); "Writing of mysql stored procedures and functions" ends here. Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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