--查看CPU利用率
-- CREATE PROCEDURE sp_GetTop10_CPU () AS
BEGIN
SET NOCOUNT ON
DECLARE @cinterval char(8)
DECLARE @interval int
SET @cinterval = '00:00:10'
CREATE TABLE #thread
(
RUN INT NOT NULL,
SPID INT NOT NULL,
THREAD INT NULL,
STATUS varchar(30) NOT NULL,
[IO] INT NOT NULL,
CPU INT NOT NULL,
MEM INT NOT NULL,
LOCKS int NOT NULL,
BLK INT NOT NULL,
hostname varchar(30) NOT NULL,
hostprocess INT NOT NULL
CONSTRAINT PK_thread1 PRIMARY KEY CLUSTERED (RUN,SPID)
)
INSERT #thread
SELECT 1,pr.spid,pr.kpid,pr.status,pr.physical_io,pr.cpu, pr.memusage,ISNULL(count(lk.spid),0),pr.blocked , max(pr.hostname), max(pr.hostprocess)
from master.dbo.sysprocesses pr
LEFT OUTER JOIN master.dbo.syslocks lk
ON pr.spid = lk.spid
WHERE pr.spid>=50 AND pr.spid<>@@SPID
GROUP BY pr.spid,pr.kpid,pr.status,pr.physical_io, pr.cpu,pr.memusage,pr.blocked
WAITFOR DELAY @cinterval
INSERT #thread
SELECT 2,pr.spid,pr.kpid,pr.status,pr.physical_io,pr.cpu, pr.memusage,ISNULL(count(lk.spid),0),pr.blocked , max(pr.hostname), max(pr.hostprocess)
from master.dbo.sysprocesses pr
LEFT OUTER JOIN master.dbo.syslocks lk
ON pr.spid = lk.spid
WHERE pr.spid>=50 AND pr.spid<>@@SPID
GROUP BY pr.spid,pr.kpid,pr.status,pr.physical_io, pr.cpu,pr.memusage,pr.blocked
SELECT TOP 10 T.*
from
(
SELECT a.SPID, a.hostname, b.hostprocess, b.STATUS, (b.CPU-a.CPU) as 'CPU'
from #thread a
JOIN #thread b
ON a.SPID=b.SP
通常，你需要获得当前日期和计算一些其他的日期，例如，你的程序可能需要判断一个月的第一天或者最后一天。你们大部分人大概都知道怎样把日期进行分割（年、月、日等），然后仅仅用分割出来的年、月、日等放在几个函数中计算出自己所需要的日期！在这篇文章里，我将告诉你如何� ......
1. 说明：复制表(只复制结构，源表名：a，新表名：b)
SQL: select * into b from a where 1<>1;
2. 说明：拷贝表(拷贝数据，源表名：a，目标表名：b)
SQL: insert into b(a, b, c) select d, e, f from b;
&nb ......
