restrict sql server memory usage

Original address: HTTP://SUPPORT.MICROSOFT.COM/GP/ANXIN_TECHTIP6/ZH-CNWhy does SQL Server use so much memory? SQL Server users often find that the SQL process uses a lot of memory. Most

Label:To terminate with a stored procedure:Create a terminating database for all successive stored procedures under Query Analyzer, by calling the stored procedure to close all connection operations that use the database.--Create a stored procedure that terminates all processes under the database, with the parameter database nameUse masterGoCreate proc Killspbydbname (@dbname varchar (20))AsBegindeclare @sql nvarchar ($), @temp varchar (1000)DECLARE @

number of midnight between two specified times, including the second date but excluding the first date.When you use month as the date part, DATEDIFF returns the number of the first day of the month that occurs between two dates, including the second date but excluding the first date.When you use week as the date part, DATEDIFF returns the number of Sunday between two dates, including the second date but excluding the first date.For a smaller time unit there is an overflow value:Milliseconds 24

'isEncrypted. Here you should understand the parameter [ENCRYPTION]: Is an encryption function, the CREATE PROCEDUREThe original text of the statement is converted to the fuzzy format. The output of fuzzy code is in SQL Server 2005Cannot be directly displayed in any directory view. Users who do not have access to system tables or database files cannot retrieve fuzzy text. However, you can use the DACThis

For SQL performance, it's been a long time since you've been watching. Because of the recent project neither tens of millions of of the massive data nor too much performance requirements, so in the performance is not too much effort. However, not long ago and friends chat between the topic a turn on the program, he said he used Delphi to do a data import function, when inserting data feel very slow. With a personal understanding of

Tags: cap code tin beginning usage de-heavy SEL nbsp efficiencyDistinct: Used to filter duplicate records. It is often used only to return the number of non-repeating records, rather than using it to return all values that are not re-recorded. The reason is that distinct only with double-loop query to solve, and so for a very large number of stations, will undoubtedly directly affect the efficiency. Form Name table Id N

--------------------------------- -----------------------------primarykeystructurefortablefamily_grade-- ----------------------------Altertable[mazeytop]. [family_grade]addprimarykey ([id]) go--------------------------------indexes structurefortablefamily_member-------------------------------------------- ------------------PrimaryKeystructurefortablefamily_member---------- --------------------Altertable[mazeytop]. [family_member]addprimarykey ([id]) go-------------------------------- indexesstru

The instance explains the usage of the SQL server ranking function DENSE_RANK, And the instance explains dense_rank. I. Requirements Previously, the ranking function of SQL server used RoW_NUMBER () most. I usually use ROW_NUMBER () + CTE for paging. Today, I visited the par

In SQL Server, the following is the connection:The SQL Server timestamp data type is independent of the time and date. SQL Server timestamp is a binary number that indicates the relative sequence of data modifications in the datab

SQL server database Type insert statement usage insert into emproyee (e_name, e_sex) values ('tang Jia San Shao ', 0); insert into emproyee, Summary when SQL server inserts multiple data records into the insert statement Insert a single data entry: Insert into emproyee (e

Skillful Use of various SQL server usage will bring a lot of convenience to the query. Let's introduce T and intersect today. Note that this syntax is only supported in SQL Server 2005 and later versions. Exist T refers to the data that exists in the first set but does not e

Label:1.datetime,smalldatetime,date difference 1) datetimeDate and time data from January 1, 1753 to December 31, 9999, with an accuracy of 3% seconds (equal to 3.33 milliseconds or 0.00333 seconds). Adjust the values to. 000,. 003, or. 007 seconds increments as shown in the following table.The date and Time section, which can represent the date range from January 1, 1753 A.D. 00:00:00.000 to December 31, 9999 23:59:59.997, is accurate to 3.33 milliseconds, which requires 8 bytes of storage spa

Original article from: Http://www.mssqltips.com/sqlservertip/1239/how-to-get-index-usage-information-in-sql-server/ Reproduced from: http://blog.csdn.net/dba_huangzj/article/details/7777392Problem: The database has two storage requirements: data pages and index pages. Understanding and viewing actual data in your table is quite simple. Run some query examples to

=========================== Paged Stored Procedure ================================-----------Create a paging stored procedure--------------Create proc Selectdivicebypage(@pageIndex int,--page number@pageSize int--single page record number)AsDeclare--Define the number of start and end lines per page@startRow int= (@pageIndex-1) * @pageSize +1,@endRow int = (@pageIndex-1) * @pageSize + @pageSize--or as defined below--declare @startRow int, @endRow int--Set @startRow = (@pageIndex-1) * @pageSize +

When you find that the database query performance is very slow, everyone will think of Gazzo to optimize the database query performance, but the face of a complex SQL statement, to find an optimized index combination of the human brain, is really not a very simple thing. Fortunately, SQL Server provides two "automatic" features that give you advice on how to adj

when 'then income end) as [Monday], sum (Case week when 'tuesday' then income end) as [Tuesday], sum (Case week when 'then income end) as [Wednesday], sum (Case week when 'then income end ') as [Thursday], sum (Case week when 'Friday' then income end) as [Friday], sum (Case week when 'saturday' then income end) as [Saturday], sum (Case week when 'sunday' then income end) as [Sunday] From week_income However, SQL