摘要:
with as语法–针对一个别名with tmp as (select * from tb_name)–针对多个别名with tmp as (select * from tb_name), tmp2 as (select * from tb_name2), ... 阅读全文
摘要:
from 原文章地址1 查询系统所有对象SELECT OWNER, OBJECT_NAME, OBJECT_TYPE, CREATED, LAST_DDL_TIME, TIMESTAMP, STATUSFROM DBA_OBJECTS WHERE OWNER=UPP... 阅读全文
摘要:
set heading off——不显示每行的列名set echo off——不重复显示所要执行的sql语句set line 200——设置每行显示200字符set pages 0——不进行分页显示set feed off——不显示sql语句的运行结果(selecte... 阅读全文