摘要：
DROP TABLE test1GODROP TABLE test2GOCREATE TABLE test1 (col1 INT, col2 INT)GOCREATE TABLE test2 (col3 INT, col4 INT)GOINSERT INTO test1 VALUES(1,1)INSERT INTO test1 VALUES(2,2)INSERT INTO test1 VALUES(3,3)INSERT INTO test1 VALUES(4,4)INSERT INTO test1 VALUES(5,5)INSERT INTO test2 VALUES(1,1)INSERT I 阅读全文
