常用的SQL语句

--给一个表指定一个顺序列

select name , ROW_NUMBER()over(order by name) ss from sysobjects where xtype='U'and name like '%da_%'

--查询出档案管理系统中所有的记录总数    
  

DECLARE @TableInfo TABLE
    (
          name VARCHAR(50) ,
          [rows] int ,
          reserved VARCHAR(50) ,
          data VARCHAR(50) ,
          index_size VARCHAR(50) ,
          unused VARCHAR(50)
        )
    DECLARE @TableName TABLE ( name VARCHAR(50) )
    DECLARE @name VARCHAR(50)
    INSERT  INTO @TableName
            ( name
            )
            SELECT  o.name
            FROM    sysobjects o ,
                    sysindexes i
            WHERE   o.id = i.id
                    AND o.Xtype = 'U'
                    AND i.indid < 2
            ORDER BY i.rows DESC ,
                    o.name
            
    WHILE EXISTS ( SELECT   1
                   FROM     @TableName ) 
        BEGIN
            SELECT TOP 1
                    @name = name
            FROM    @TableName 
            DELETE @TableName WHERE name=@name
            INSERT  INTO @TableInfo
                    ( name ,
                      [rows] ,
                      reserved ,
                      data ,
                      index_size ,
                      unused 
                        
                    )
                    EXEC sys.sp_spaceused @name
        END
            SELECT sum(rows) FROM @TableInfo where name like '%da_%'

--查询全部的表名

select name from sysobjects where xtype='U'and name like '%RHCJWT%'

--修改用户名密码

update ge_user set z_password='' where z_username='user'
delete ge_para where username='user' and class1='usertype'

--人员插入

insert into ge_user(z_username,z_password,z_userdesc,z_email) 
values('lyb','123','梁永斌','')<BR>insert into 
ge_user(z_username,z_password,z_userdesc,z_email) 
values('jkq','123','江克强','')<BR>insert into 
ge_user(z_username,z_password,z_userdesc,z_email) 
values('cy','123','陈宇','')<BR>insert into 
ge_user(z_username,z_password,z_userdesc,z_email) 
values('xl','123','徐磊','')<BR>insert into 
ge_user(z_username,z_password,z_userdesc,z_email) values('czm','123','陈竹梅','')

--库名注册

Insert Ge_Main (Flsm, Ename,Cname,ClassName,SortNo) values 
（'子类','英文名称','中文名称','分类','顺序号'）

--查询出a表的全部数据创建新表

select*into 新表 from a