sql clear cache

manually emptying the cache execution plan --empty the execution plan in the cache DBCCFreeproccache;--(plan_handle | sql_handle | pool_name) GO --clear the execution plan for the development database DBCCFLUSHPROCINDB (dbid>); GO ---Empty the data in the cache DBCCdropcleanbuffers; ---Empty the execution plan in a sp

procedures, functions, triggers, etc.3. Third execution plan for storing extended stored proceduresThe free ListSQL Server maintains a minimum number of idle page records in the free list to be able to process incoming requests as quickly as possible.SQL Server will try to maintain the number of idle pages in the free list ("Min free" in the output of DBCC memorystatus)is calculated based on the size of the Buffer pool and the number of requests passed in (page average life, the lifetime of the

Tags: style blog ar color sp on div 2014 problemSelect Space (8) as FSRQ into #test0 where 0 = 1DECLARE @fsrq char (8)Set @fsrq = ' 20141111 'While convert (char (8), @fsrq, BeginInsert #test0 (FSRQ) Select CONVERT (char (8), @fsrq, 112)Select @fsrq = DATEADD (day, 1, @fsrq)EndSELECT * FROM #test0Such a piece of code, into the dead loop, the code changes to the following this, but also cannot jump out.Select Space(8) asFsrq into#test0where 0 = 1 Declare @fsrq Char(8) Set @fsrq='20141111' whi

A valid method is to execute the following script: (Bigdata is the database name) use database name; go alter database database name set RECOVERY Simple; -- Set the simple recovery model go DBCC Shrinkfile (database name _log, 1 go alter database database name set RECOVERY full ; -- revert to original mode go Back up the database first before executing. Reference: http://www.cnblogs.com/downmoon/archive/2009/12/13/1623004.html[Go] How to

There are two examples in the previous two blogs to demonstrate the content to be told. Some methods for viewing the database status are mentioned, which is not very comprehensive. This blog lists several of the statuses and data that we will use in subsequent blogs. And how to clear the cache in the test.The link addresses of the previous two blogs are as follows: Basic

Agent object, you will see SQL Server for us to provide some of the out-of-the-box reports, the data of these reports, to help us analyze the state of the database. For example, in the SQL Server Index Basics (1)---The basic format for recording data Http://blog.joycode.com/ghj/archive/2008/01/02/113290.aspx , we use the data table to occupy the space report specific reports can refer to the following lin

: 00: 03.54 SQL> select f2 () from dual; F2 () ---------- 59788330 Used time: 00: 00: 00.00 SQL> delete from test1 where object_type = 'view' and rownum SQL> delete from test2 where object_type = 'view' and rownum SQL> commit; SQL> select f2 () from dual; F2 () ----------

SQL Cache dependency Function: UseSQLCache dependency Technology,Can be implemented when the applicationProgramWhen the data in the corresponding database in To clear the corresponding cache in the application.,Maximize program performance. Implementation Method: I,Create a database A)The database cann

How to view disk I/O operation information The set statistics io on command enables SQL Server to display information about the disk activity volume generated by the Transact-SQL statement. We can analyze the index performance very effectively. After this attribute is enabled, we will receive information similar to the following after executing the SQL statement,

involved in every system. Generally, caching has a problem-when to clear it? For example, you can set an expiration time for the cache in ASP. NET, but how long is it appropriate? If it is too long, the meaning of the cache will be lost. This problem can be solved by using sqldependency for caching. Sqldependency is a type encapsulated by. net2.0. It must be use

Label:In today's article I would like to talk about the cache pool extensions introduced in SQL Server 2014 (buffer pools Extensions). As we all know, in SQL Server, the cache pool is the primary memory consumer. When you read data from your store, the data is cached in the cache