解决SQL 死锁的语句
ALTER procedure [dbo].[sp_lock_check]
@spid1 int = NULL,
@spid2 int = NULL
as
set nocount on
if @spid1 is not NULL
begin
select convert (smallint, req_spid) As spid,
loginame=rtrim(loginame),hostname ,t2.name,
rsc_dbid As dbid,
rsc_objid As ObjId,
rsc_indid As IndId,
substring (v.name, 1, 4) As Type,
substring (rsc_text, 1, 16) as Resource,
substring (u.name, 1, 8) As Mode,
substring (x.name, 1, 5) As Status
from master.dbo.syslockinfo(nolock),
master.dbo.spt_values v(nolock),
master.dbo.spt_values x(nolock),
master.dbo.spt_values u(nolock),
master.dbo.sysprocesses t1(nolock),
sysobjects t2(nolock)
where master.dbo.syslockinfo.rsc_type = v.number
and v.type = 'LR'
and master.dbo.syslockinfo.req_status = x.number
 
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1.如何将一个SQL Server表的结构复制到另一个新建的表中
select * into 新表 from 旧表 where 0 = 1
2.修改字段默认值
alter table 表名 add default 默认值 for 字段名
3. 取得数据库结构
SELECT name from sysdatabases
4.增加列
......
Create PROCEDURE [dbo].[ChangeObjectOwner]
@OldOwner as NVARCHAR(128),
@NewOwner as NVARCHAR(128)
AS
DECLARE @Name as NVARCHAR(128)
DECLARE @Owner as NVARCHAR(128)
DECLARE @OwnerName as NVARCHAR(128)
DECLARE curObject CURSOR FOR
select 'Name' = name,
'Owner'&n ......
标准的 SQL 的解析顺序为:
(
1
).
from
子句, 组装来自不同数据源的数据
(
2
).
WHERE
子句, 基于指定的条件对记录进行筛选
(
3
).
GROUP
BY
子句, 将数据划分为多个分组
(
4
).使用聚合函数进行计算
(
5
).使用
HAVING
子句筛选分组
(
6
).计算所有的表达式
......
1.获取所有数据库名:
SELECT Name from Master..SysDatabases ORDER BY Name
2.获取所有表名:
SELECT Name from DatabaseName..SysObjects Where XType='U' ORDER BY Name
XType='U':表示所有用户表;
XType='S':表示所有系统表;
3.获取所有字段名:
SELECT Name from SysColumns WHERE id=Object_Id('TableNam ......
select Convert( varchar(20) , 时间字段 , 格式 ) from 表 如:select Convert(varchar(20),LOGIN_DATE,112) from dbo.C_PARTY_CLIENT 100:Jun 22 2009 12:00AM 101:06/22/2009 102:2009.06.22 103:22/06/2009 104:22.06.2009 105:22-06-2009 106:22
select Convert(varchar(20),<时间字段>,<格式>) f ......