Oracle临时表 和 插入多条语句 用法

1、创建临时表 ON COMMIT PRESERVE ROWS 事务级别的，默认是回话级别的

DECLARE

v_exists number;

BEGIN

SELECT count(*) INTO v_exists FROM ALL_OBJECTS WHERE OBJECT_NAME = 'TEMP1';

IF v_exists > 0 THEN

EXECUTE IMMEDIATE 'drop table TEMP1';

END IF;

EXECUTE IMMEDIATE'

CREATE GLOBAL TEMPORARY TABLE TEMP1

(

ITEMCODE VARCHAR(100),

SQRQ VARCHAR(100)

) ON COMMIT PRESERVE ROWS';

END ;

2、插入多条数据

insert into tablename

select n1,n2 from dual union all

select n3,n4 from dual union all

select n5,n6 from dual