1 deletetop(1)fromTb_PaintOutwherePaintNumber = (selecttop(1) PaintNumberfromTb_PaintOutorderbyPaintOutTimedesc) Tb_PaintOut:表明 PaintNumber:字段名 PaintOutTime:时间类型字段
DELETE FROM 表名 WHERE 条件1 AND 条件2; 5. 删除表中满足某个条件的数据,并返回删除的行数: DELETE 表名 OUTPUT DELETED.* WHERE 条件; 6. 删除表中指定行数的数据: DELETE TOP (N) FROM 表名; 7. 删除表中满足条件的数据,并将删除的行存储到另一个表中: DELETE FROM 表名 OUTPUT DELETED.* INT...
delete from smzx2018.dbo.tbuser where userid=1 delete from TbGift where id not in(select max(id) from TbGift Group By UserId) --删除重复数据 ---初始化单表 truncate table smzx2018.dbo.LangeInfo ---存储过程操作 --CREATE proc [dbo].[RARDB] --ALTER proc [dbo].[RARDB] --as --...
select A,B,max(C) as C into #M from M group by A,Bdelete from Minsert into M select * from #M
1、首先,在 MSSQL 窗口中,输入如下代码查看表中的前1000行数据: “`sql SELECT TOP 1000 * FROM data_baseName.tableName ORDER BY columm_name 结果将显示表中前1000行数据。 2、接着,输入如下代码修改表中前1000行数据: ```sql DELETE TOP 1000 FROM data_baseName.tableName ...
select top 1 username+':'+ password from test.dbo.users 二,利用方式 1.union注入: 查看字段数: order by 3 原理: 如果字段数超过输出的字段数就会报错,通过报错来确定有几个字段 下面以mssql sqli labs为例: 判断出有3个字段 查看回显位置:
select top 10 * from tablename order by newid() 7).随机选择记录 select newid() 8).删除重复记录 Delete from tablename where id not in (select max(id) from tablename group by col1,col2,...) 7.常用系统函数 1)转换函数 1、ASCII() ...
static int SqlDel(SqlConnection conn, string table, string field, SqlParameter[] para) { try { string sql = string.Format(@"delete from {0} where {1}...
select top 10 * from tablename order by newid() 18、说明:随机选择记录 select newid() 19、说明:删除重复记录 Delete from tablename where id not in (select max(id) from tablename group by col1,col2,...) 20、说明:列出数据库里所有的表名 ...
logid INT NOT NULL IDENTITY(1, 1), -- 日志序号(日志主键) operate VARCHAR(10), -- 操作类型 如Insert,Update,Delete. id INT, -- 原表ID(主键) old_de DATETIME, -- de字段旧值 new_de DATETIME, -- de字段新值 spid INT NOT NULL, -- spid ...