alter column in sql server 2012

Today, a colleague encountered the following error when starting his own computer's SQL Server 2012 Configuration Manager: Unable to connect to the WMI provider. You do not have permissions or the server cannot be accessed. Note that you can only use SQL

Tags: style blog http color os io ar strong forCase Environment:Server environment: Windows Server R2 StandardDatabase version: SQL Server SP1Case Description:When you install SQL Server 2012 on the Windows

Tags: blog http os using SP file problem log BSLandlord with SQL Server 2012 when you connect to an instance of another computer, you have been prompted to "successfully established a connection with the server, but an error occurred during the handshake before signing in." (Provider:ssl provider, error:0-the pending o

Tags: installation file generate net T-SQL load ref down title VFP In the previous article, using CDC (data change capture) in SSIS 2012 , describes how to use CDC in SSIS 2012, which is explained on this basis. How to implement change capture on Oracle data tables through the Attunity provided by the changes data capture Designer for Oracle .The same need to do

Label:Writing:Pretend to have a table shop, which has a list of shopname, taking 100000 to 100,050 data. The writing of Row_number SELECT * from (SELECT Over (ORDER by Shopname) as R from Shop ) T WHERE R>100000 and R100050 The writing of Offset,fetch SELECT from Shop ORDER by Shopname OFFSET 100000 ROW FETCHNEXT Comparison:The difference in execution time can be clearly seen when 100,000 data are taken. Although the previous people have given a lot of arguments, I will stick to th

Original: PowerDesigner 16.5 tips for reverse engineering from SQL Server 2012: Unable to List tables issuesShenzhen team to develop a system in the North China side to push customers, in a patch, due to changes in the data dictionary, but the Shenzhen team did not give the database update script, only to the new version of the database creation script, in order

A day at work see a database on SQL Server 2012 D on disk 80%, a moment feeling bad. So look at the hard disk, a small 200M database file, dragging a 6G log file. But I feel depressed.So it's easy to open a database--------shrink-to-file650) this.width=650; "Src=" https://s4.51cto.com/wyfs02/M02/8D/EE/wKioL1ivz8LS_xHmAABv-yFWUa0145.png-wh_500x0-wm_ 3-wmp_4-s_1798

=null;ResultSet Rs=null;try {1. Load DriverClass.forName ("Com.microsoft.sqlserver.jdbc.SQLServerDriver");String url= "Jdbc:sqlserver://localhost:1433;databasename=test1";String user= "sa";//sa Super AdminString password= "123456";//Password2. ConnectCt=drivermanager.getconnection (Url,user,password);3. Create the Send side pstmt = Conn.preparestatement ("INSERT into the staff (name, age) VALUES (?,?)"); Set the specific value of the insert by using the Set method in the PreparedStatement objec

Tags: serve body GPO Select font Gate HTTPS error imageOriginal: SQL Server 2012 creating a DB SnapshotNot all MSSQL database versions support database snapshots and are supported only with Enterprise editions.In other versions, in the case of the business Intelligence Edition version, the following error is reported when creating a snapshotMsg 1844, Level 16, St

Focus: The following installation steps are installed in the disconnected environmentbecause I want to see the internet and not the Internet . SQL2012 will not download and install the. net2.0 and. net3.5 and. Net4 and SP1 patch PacksMy environment:The size of the installation package without the integrated SP1 patch package is 4.71GB, the size of each installation package is available on the forum, and I think it's up to MSDN that I told you or MSDN to prevail.problem One : X64-bit integrated S

broken and the server no longer has the context of the previous log files, so you need to know what they are. You should run DBCC CHECKDB to verify physical consistency. The database has been placed in dbo-only mode. When you are ready to make the database available, you need to reset the database options and remove any extra log files. ”Re-start the database serviceThen execute the following scriptScript two:ALTER DATABASE hunlianjiaoyou SET multi_u

Tags: des style blog http color using IO file dataThere is a project using the SQL SERVER2012 version of the database, at first may not notice the log file, so that the log file is getting larger, when the use of sql2008 shrink file method to operate, the problem arises.DUMP TRANSACTION bigdata with No_logbackup LOG bigdata with no_logUsing the method above does not solve the problem, since 2012 does not su

functionexec sp_configure ' show advanced options ', 1Reconfigureexec sp_configure ' Ad Hoc distributed Queries ', 1Reconfigure--Allow ace.oledb.12 to be used in the processEXEC master.dbo.sp_MSset_oledb_prop n ' microsoft.ace.oledb.12.0 ', n ' allowinprocess ', 1--Allow dynamic parametersEXEC master.dbo.sp_MSset_oledb_prop n ' microsoft.ace.oledb.12.0 ', n ' dynamicparameters ', 1--Import temporary tablesEXEC (' INSERT into Jihua (id,[lot number],right (' ' + @filepath + ', charindex (' ' \ ',

1. Open the installation file for installation2. Click Install to install3. Wait for the installation test4. Enter the Product Key5. Accept the license6. The Setup program supports rule testing7. Feature Installation options8. Select function9. Installation Rule Verification10. Install the configuration, configure the instance, change the installation directory11. Install Disk Evaluation Check12. Configure the server configuration13. Select login mode

Brief introduction After half a day of effort, today finally installed the SQL Server2012. Follow the new information in MSDN (Columnstore Indexes for Fast DW QP SQL Server 11). Tried the next Columnstore Index. Columnstore index is shown in its literal meaning. Is the index that is based on the column store. The conc

Use masterRESTORE DATABASE wss_content from DISK = N ' D:\bak\contentbak.bak 'With REPLACE, NORECOVERY, MOVE ' wss_content ' to N ' D:\bak3\WSS_Content.mdf ', MOVE ' Wss_content_log ' to N ' D:\bak3\WSS_Content_log.ldf 'The move ' WSS_Content ' is the name of the previous backup, that is, the database file name of the previous backup is called WSS_Content, then this should be called WSS_Content, the logical name.Assuming that the database has been "being restored" after the restore, you need to

Label:Select The table before the join can be seen as the left table, and then the table is the right table.An external connection is essentially a containment. The records that are explicitly included depend on which side of the connection is used. The left OUTER join contains information from the table on the right side, and it comes from the side.The commonly used usage is to find which records in one table do not match the records in another table .For null values, two null is not equal. Nul

Does anyone know why it is so slow to connect SQL Server with thinkphp? Configuration succeeded, wrote a method can fetch data, but particularly slow, the web has been in the circle, what is the matter? Reply content: Does anyone know why it is so slow to connect SQL Server with thinkphp? Configuration succeeded,

Tags: sql Server; read-only; specific tablesCreate a read-only account and only read certain tables.Now let's share the steps of the operation.The premise of this operation is that the database is relatively large, there are many data tables, you need to select their own read-only data tables.The operation of the new account should not be unfamiliar, to everyone is not discussed.In the left User Mapping tab

although the result of our previous query was orderly, the new table generated after the run was not sorted by Subprenum and the order was chaotic.It was discovered that this was due to the limitations of SQL Server itself and that if there was a special need to require the data in the staging table to be ordered, the problem could be solved by "creating a clustered Index". For details, please refer to the