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/**1.¶¨Òå·Ö¸î·û*/
DELIMITER //
/**2.´´½¨º¯Êý-¼ÆËãÁ½ÊýÖ®ºÍ*/
CREATE FUNCTION f_sum(num1 INT,num2 INT) RETURNS INT
BEGIN
RETURN num1+num2;
END;
//
/**
*3.´´½¨´æ´¢¹ý³Ì
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*/
DROP PROCEDURE IF EXISTS p_count ;//
DROP TABLE IF EXISTS T;//
CREATE TABLE T(i_num INT);//
INSERT INTO T VALUES(1),(2),(3);//
CREATE PROCEDURE p_count(OUT param INT)
BEGIN
SELECT COUNT(*) INTO param from T;
DROP TABLE T;
END;//
CALL p_count(@a);//
/**
*4.´´½¨´¥·¢Æ÷
*/
DROP TABLE IF EXISTS t;//
DROP TABLE IF EXISTS tx;//
CREATE TABLE tx(a INT);//
CREATE TABLE t(a INT);//
INSERT INTO t VALUES(2),(3),(4);//
CREATE TRIGGER tr_insert BEFORE INSERT ON t FOR EACH ROW
BEGIN
temp INT;
SELECT COUNT(*) INTO temp from t;
INSERT INTO tx VALUES(temp);
INSERT INTO tx SET a = NEW.a+1;
INSERT INTO tx VALUES(NEW.A+2);
END;
//
INSERT INTO t VALUES(1);
/**
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*/
DROP TABLE IF EXISTS t;//
CREATE TABLE t(ts TIMESTAMP);//
INSERT INTO t VALUES('09:02:01');//
INSERT INTO t VALUES(090101);
DROP TABLE IF EXISTS t£»//
CREATE TABLE 1P(a INT);
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MySQL ODBC connection strings
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