querying sql server 2012

1. The Windows Server 2012 built-in support for iSCSI initiators does not require additional installation, and the iSCSI software Target can be used as a built-in feature under the file and storage services role2, copy the file of the virtual machine to join the domain when the packet SID is duplicated, use the Sysprep tool to reset the system, be sure to check the general options3. When creating a new doma

Label:This article summarizes the various pits in SQL Server 2012/2014 that are linked to SQL Server 2000, all of which are problems encountered in practical applications. Someone might say why SQL

Label:Original: SQL Server 2012:SQL Server architecture--The life cycle of a query (part 1th)To reduce the scope of the read operation, this article first looks at a simple select query and then introduces additional procedures related to performing the update operation. Fin

1. Get all database names:SELECT Name from Master. sysdatabases ORDER by Name2. Get all table names:SELECT Name from DatabaseName. SysObjects Where xtype= ' U ' ORDER by Namextype= ' U ': represents all user tables;xtype= ' S ': denotes all system tables;3. Get all field names:SELECT Name from syscolumns WHERE id=object_id (' TableName ')in Oracleselect * from User_tab_columns;select * from User_tables;This is the table and field information below the current user query. Original address: http:/

Tags: cluster SQL Server cluster Windows Server 2012It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a

Error: Dbbackup failed:unable to restore database ' ppt 'Not valid backupThe database was backed up on a server running version 8.00.2039. That version was incompatible with the this server, which is running version 11.00.3000. Either restore the database on a server that supports the backup, or use a backup, which is compatible with this server.VERIFY DATABASE i

. Room number andAcquisition Time>='2013-11-6 0:00:00' andAcquisition Time'2013-11-7 0:00:00') Workaround, create a memory table in SQL, first identify the part, and then use the first part of the results to query the final result. It can be checked in seconds. SET STATISTICSIo onDBCCDropcleanbuffers--Turn off cachingDBCCFreeproccache--Turn off cachingSELECTT.* frommeasure_heat TWHERECommunity number=' -' andAcquisition Time=( SELECT min(Acquisit

Original: SQL Server 2012:SQL Server architecture--The life cycle of a query (part 2nd)Planning cache (Plan caches)If SQL Server has found a good way to execute a piece of code, it shou

Tags: permission message Blank Server ManagerError message when you open SQL Server Configuration Manager in SQL Server: "Cannot connect to WMI provider. Permission or the server is unreachable "650) this.width=650; "title=" 2017-

Tags: Database configuration SQL Server 2012 database historySQL is an abbreviation for the English Structured Query language, meaning Structured query language. The main function of the SQL language is to connect with various databases and communicate with each other. According to ANSI (National Standards Association)

Two years ago, SQL Server 2008 R2 Database Mirroring deployment, today, "Renew the front"-- Microsoft's new generation of database products SQL Server 2012 has been available for some time, whether functional or performance, compared to its early products have a great impro

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service performance. SQL

/*Scripte assumes the existence of C:\Drive_D etc, to simulate multipledisk drives.*/ on Primary--NOTICE below Non-uniform SIZE, Maxsize,and FILEGROUP parmerters!(Name=ADVANCEDDBF1_PRIMARYFG, Filename='C:\Drive_D\AdvancedDB_F1_PrimaryFG.MDF', Size=16MB, MaxSize= -, FileGrowth=Ten%), FILEGROUP CURRENTDATAFG (Name=ADVANCEDDBF1_CURRENTDATAFG, Filename='C:\DRIVE_E\ADVANCEDDB_F1_CDFG.NDF', Size=6MB, MaxSize= the, FileGrowth=Ten%), (Name=ADVANCEDDBF2_CURRENTDATAFG, Filename='C:\DRIVE_E\ADVANCEDDB_F2_C

A few days before the SQL Server in the Birch walk up public accounts see an article MS SQL SERVER2014 link MS SQL Server 2000, then on the phone swallowed looked at a probably, know is due to the Native client version of SQL, Did

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service performance.SQL Server alw

Tags: des http io ar os for SP Strong onError:When click 'New Database Diagram', a error popped up and said 'attempted to read or write protected memory. This is often a indication that other memory is corrupt. (Microsoft.VisualStudio.OLE.Interop)"Related Link:https://social.msdn.microsoft.com/Forums/en-US/fa9df00f-49ba-4345-b036-423ae30a5d47/ problem-to-create-new-database-diagram-in-microsoft-sql-server-m

Sometimes, you need to know what SQL Server executes, and you can use the following method: SELECT TOP 1000 -Create Time qs.creation_time, -query statement SUBSTRING (St.text, ( QS.STATEMENT_START_OFFSET/2) +1, (case Qs.statement_end_offset WHEN-1 then datalength (st.text) ELSE qs.statement_end_offset End-qs.statement_start_offset)/2) + 1 ) as statement_text, --Execute text st.text, -execution plan

Label:SELECT TOP--Creation timeQs.creation_time,--Query statementsSUBSTRING (St.text, (QS.STATEMENT_START_OFFSET/2) +1,(Case Qs.statement_end_offset WHEN-1 then datalength (st.text)ELSE qs.statement_end_offset End-qs.statement_start_offset)/2) + 1) as Statement_text,--Execute textSt.text,--Execution PlanQs.total_worker_time,Qs.last_worker_time,Qs.max_worker_time,Qs.min_worker_time fromsys.dm_exec_query_stats QS--Key wordsCross APPLYsys.dm_exec_sql_text (qs.sql_handle) STWHEREqs.creation_time bet

Tags: io os ar data Art div sp on CContains the user name, the database in which the SQL statement was executed, the execution start time, the driver, the host nameSELECT [Spid] = session_id, ecid, [Database] = db_name (sp.dbid),[User] = Nt_username, [Status] = Er.status,[Wait] = Wait_type, [individual Query] = SUBSTRING (Qt.text, ER.STATEMENT_START_OFFSET/2, case when Er.statement_end_off Set =-1 Then LEN (CONVERT (NVARCHAR (MAX), Qt.text)) * 2 ELSE

Tags: Database configuration SQL Server 2012 Database ComponentsSQL Server 2012 mainly includes the following five componentsSQL Server Database EngineThe SQL