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Tags: databaseA few months ago to bring their own demo environment all overturned (now also forget to overthrow, re-do the egg pain), ready to re-make a high-availability environment, ready to do their own high availability are done next to each other.SQL Server is the most multi-system backend database in Microsoft, so the backend database is made highly availab
SQL Server puts used data into the cache to speed up access to the data.If there are no other processes competing, SQL Server uses almost all of the memory until another process needs memory to free up
Configuring larger memory for the database can improve database performance effectively. Because the database is running, a region is marked in memory as the data cache. Typically, when a user accesses a database, the data is first read into the data cache. The next time the user needs to access this data, it is read from the data cache. Because reading data in the data cache is hundreds of times times fast
Original: 17th-Configuring SQL Server (2)-memory configuration in 32-bit and 64-bit systemsObjective:This article covers memory configurations in 32-bit and 64-bit systems, where DBAs often try to turn on AWE to limit memory in SQL
more the data cache is, the better, and even sometimes we force some data pins into the cache. However, if there are other applications, although MS SQL releases memory when it is needed, thread switching, io waiting for these tasks also takes time, so performance is reduced. This allows us to set the maximum memory usage
Brief introduction
The role of the log is to ensure persistence and data consistency, through the log can achieve data undo and redo, so through the log, SQL Server can not only achieve disaster recovery, but also through the redo of the log to achieve high availability. This article focuses on the role of logging in several
address in DNSThen switch to the WINS tab: Uncheck: Enable LMHOSTS lookup, disable the NetBIOS feature on TCP/IP, confirmThen change the network priority order;In a network connection----Click organize----TICK menu----advanced----Local Area Connection priority higher than heartbeat lineSecond HSR2 Configure the heartbeat line to open the VM virtual machine configurationThe steps are set in the same way as the first one, exceptConfigure heartbeat Address: 100.100.100.2 255.255.255.0; no need to
Tags: SQL Server database AlwaysOn7. New Database7.1 in SQL01 server open SQL Studio connect to SQL01, right-select "New Database"650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/73/2C/wKiom1X23peiNRjpAAFzCzfBM0k017.jpg "title=" 1. PNG "alt=" wkiom1x23peinrjpaafzczfbm0k017.jpg "/> 7.2 Input database name650)
server|sqlserver| problem Http://www.richsearch.com/search/search.aspx?page=1S1=%2B%E5%86%85%E5%AD%98%20%2B "sql% 20Server "
Allocate more memory to SQL Server (the default is dynamic allocation, you can change the minimum value to a larger data).
View the log file and data
This article mainly introduces the experience of correctly optimizing the SQL Server database, including the descriptions worth your attention in the actual operations on it, the most basic principles for optimizing SQL statements are described below.
Database optimization considerations:
1. Create an index for the key fields.
2. Using Stored Procedures makes
This article is to introduce you to the correct optimization of the SQL Server database experience, including in the actual operation of its optimization should be noted in the local description, as well as the most basic principles of the Optimization of SQL statements, the following is the main content of the article description.
Considerations for optimizing
terminating the attempt and generating an error.
Context Connection
' False '
True if an in-process connection should be made to SQL Server.
Current Language
Not available
The SQL Server language record name.
Data sourceOrServerOrAddressOrAddrOrNetwork Addr
Dynamic | server | static
There are two basic methods of managing SQL Server memory: Dynamic allocation and static allocation
The amount of memory that the control program can use. Dynamic assignment allows an administrator to declare the size of a piece of
Tags: SQL Server top Paging database pagingSQL Server Top Common scenarios: PagingSpecific usage:(1) Paging by IDSelect Top Page Size *From table1where ID not in (Select Top Page Size * (pages-1) ID from table1 ORDER by ID)Order by ID;(2) Pagination by dateSelect Top Page Size *From table1where ID not in (Select Top Pa
Recently, in order to be able to run other applications in the database server, the database server has been upgraded on a soft and hardware basis without changing the database operating system version. On the software, upgrade the operating system from Windows 2000 to Windows Server 2003, and on the hardware, increase the me
Insufficient SQL Server Virtual Memory
Symptom
On a computer with 2 GB or more RAM, except for the 256 MB (SQL Server 7.0) or 384 Mb (SQL Server 2000) virtual address space,
SQL Server memory is increasing
When the SQL Server database engine runs on microsoft®windows NT® or windows®2000, its default memory management behavior is not to get a specific amount of me
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Recently, the database server has increased its memory to a maximum of 8 GB, and the database uses MSSQL 2005. Previously, the memory was 4 GB, there is no conflict between memory size and 32-bit operating systems. A 32-bit operating system sup
Brief introduction
SQL Server 2014 offers a number of exciting new features, but one of the most anticipated features I think is the memory database. When I attended the opening of SQL Pass Summit 2012 in Seattle last year, Microsoft announced that a memory database engine,
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