mysql>mysql> delimiter $$mysql>mysql> CREATE PROCEDURE myProc() -> BEGIN -> -> DECLARE TwentyYearsAgoToday DATE; -> DECLARE mystring VARCHAR(250); -> -> SET TwentyYearsAgoToday=DATE_SUB(curdate(), interval 20 year); -> -> SET mystring=CONCAT('It was ',TwentyYearsAgoToday,' ...'); -> -> SELECT mystring; -> -> END$$Query OK, 0 rows affected (0.00 sec)mysql> delimiter ;mysql>mysql> call myProc();+-----------------------+| mystring |+-----------------------+| It was 1987-07-23 ... |+-----------------------+1 row in set (0.00 sec)Query OK, 0 rows affected (0.02 sec)mysql> drop procedure myProc;Query OK, 0 rows affected (0.00 sec)mysql>mysql>
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