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Label:Microsoft Official 32 version of the trial version. The file name is Sqlfull_x86_enu.exe. The file size is around 1.30G. Because there are only 32-bit versions, the 3G is smaller than SQL Server 2008.Http://www.microsoft.com/sqlserver/2008/en/us/R2Downloads.aspxAfter the download is complete, uninstall the origin
SQL Server SP2 brings us the vardecimal feature, which allows the originally fixed-length decimal data to be stored in a variable-length format in the data file, which is said to save 30% of the space for a typical data warehouse, while SQL Server 2008 On this basis, the dat
There is often a need to record data changes caused by DML operations (Insert/updae/delete) in the user table, and in previous versions of SQL Server 2008, such functionality could only be achieved through trigger or data alignment (for example, SCD processing). and must be developed for each user table. There are two new features for recording data changes in
Method one. Click Start-All Programs-microsoft SQL Server 2008-configuration Tools-sql Server Installation CenterThen click on the left side of maintenance, click on the right side of the version upgrade, then follow the prompts always point to the next step, to Product Key
=yes; Database Mirroring 10.0}; Server = myserveraddress; Failover_partner = Mymirrorserveraddress;database = MyDataBase; Trusted_Connection = yes; V.. NET Framework Data Provider for ODBC type:. NET Framework Wrapper Class Libraryuse: System.Data.Odbc.OdbcConnectionVendor: Microsoft Bridge to SQL Native Client 10.0 ODBC Driver The following statement is just an example of the different ODBC drivers for d
Tags: style blog http io color ar os use forOriginal: SQL Server 2008 partition function and partition tableWhen we have a larger amount of data, we need to split the large table into smaller tables, then queries that only access departmental data can run faster, the basic principle being that the data to be scanned becomes smaller. maintenance tasks (for example
recompiled. Plan_generation_num Indicates the number of times that the query has been recompiled.Select Top 25sql_text.text,sql_handle,plan_generation_num,execution_count,dbid,objectid from Sys.dm_exec_query_ Stats across apply sys.dm_exec_sql_text (sql_handle) as Sql_textwhere plan_generation_num > 1order by Plan_generation_ Num DESCThe following DMV query can be used to find out which batches/requests generate the most I/O. The DMV query shown below can be used to find the top five requests t
SQL 2008 log Files account for 23G of hard disk space, and the transaction log has been truncated (Truncate), the actual log content is small, 1G is not, want to release the extra space occupied by the log files.
However, no matter how you shrink (Shrink) log files, space is not free and always error occurs:
cannot shrink log file 2 (Cnblogstext_log) Because of minimum log space required.
Solved similar
3154 error occurred in SQL Server 2008/2005 database restoreWorkaround 1: do not right-click on the database name to select the restore, and if the root "database" three words on the right-click Select Restore, and then select the database, the problem can be resolved, if not the reference Method 2Workaround 2: write the SQL
Backup to Disk
The first thing to look at is the simplest technology--backup. In the Enterprise edition of SQL Server 2008, Backup has a new feature, which is backup compression. So how does backup compression help with high availability?
Then mention the very popular backup solution in the industry today-backup-to-disk solution, with many similar names: Online
I. Objectives
With SQL Server 2008 Enterprise X64, an asynchronous (high-performance) Mirrored database is established, and a witness server is established to automate failover.
Ii. preconditions, limitations and recommendations
2.1, Partners (principal and mirror servers) and witness servers must use the same v
Label:CREATE TABLE Test(Department varchar (10),Customer varchar (10),Cost name varchar (10),Amount int)INSERT into test values (' A ', ' a ', ' phone fee ', 10)INSERT into test values (' A ', ' a ', ' run at public expense ', 11)INSERT into test values (' A ', ' a ', ' Bus fee ', 9)INSERT into test values (' A ', ' B ', ' phone fee ', 10)INSERT into test values (' A ', ' B ', ' public expense ', 10)INSERT into test values (' A ', ' C ', ' Bus fee ', 10)INSERT into test values (' B ', ' d ', ' p
Native environment: Wampserver Version 2.4
Remote database: SQL Server 2008
Reply to discussion (solution)
PHP 5.3 Below can be extended with MSSQLphp5.3+ extension with sqlsrv
PHP 5.3 Below can be extended with MSSQLphp5.3+ extension with sqlsrv
With sqlsrv extension, what configuration does the remote database need?I've only installed extensions in m
Tags: SQL multi-condition sieve weightUsually we check the weight, and filter the duplicates according to a certain condition.SELECT * FROM dbo. T_ecert Awhere (A.ecertid) in (select Ecertid from T_ecert GROUP by Ecertid+idcard have count (*) > 1)But what if you need to have multiple conditions?Oracle can do thisSELECT * FROM dbo. T_ecert Awhere (A.ecertid,a.idcard) in (select A.ecertid,a.idcard from T_ecert GROUP by Ecertid,idcard have count (*) > 1)
Original address: http://www.sqlpassion.at/archive/2014/04/08/improving-query-performance-by-using-correct-search-arguments/
Today's article gives you a talk about a specific performance issue with indexing on SQL Server.
Problem
Look at the simple query statement below, you may have seen it hundreds of times
--Results in a Index Scan
SELECT * from Sal
Label:Because of hobbies, decided to start self-learning SQL Server Tutorial today, to record the daily learning situation, so as to spur themselves. Well, the nonsense is not much to say, the following for today to learn the content:SQL Server is a relational database management system launched by Microsoft Corporation. With ease of use scalability and the high
point in time ', RECOVERYsituation Two, if the 1th precondition does not exist, the 2nd precondition exists, need to use third-party tool.situation Three, if the 2nd precondition does not exist, cannot recover. Therefore, be sure to set the database recovery mode to full. I am now facing the second situation and need to find third-party tools.Start looking for the log Explorer for SQL Server,
Tags: Dia share server configuration system support SEL add c89 hintMethod/Step
1Double-click the. exe installation file for SQL Server 2008 and go to the SQL Server Installation Center.
2Click "Install" on the left side o
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