英魂之刃袋鼠皮肤:select * from v$bgprocess 是什么意思
来源:百度文库 编辑:高考问答 时间:2024/05/10 08:00:58
后面是不是应该有参数之类的东西呀,请详细说明
选择 (变量)v$ 作为 背景 程序
select * from v$bgprocess 是什么意思
select from where like
select *from 部系表
select sum(*) from...where.....
select count(*) from 学生
select * from table1 where id in (select id from table2),
SELECT SUM(工资) FROM 职工
select * from (select a.*,b.kczwmc kcmc from (select kcdm,max(McjN) Mcj,Max(kcxz) kcxz from (select
selece *from table1,table2与select*from table1 union select*from table2的区别
"select count(*) Mycount from books "