sql server merge databases

The merge keyword is a magical DML keyword. It was introduced in SQL Server 2008, and it can be insert,update,delete simple and a sentence. MSDN's explanation for the merge is very concise: "Inserts, updates, or deletes are performed on the target table based on the results of joins to the source table."

The increasing growth of SQL Server databases has attracted a kind of attention. At the same time, those images are still coming. In order to protect the SQL Server database, to protect it from malicious damage or data loss, the top ten tricks will solve these concerns for y

Label:Today imported from the server to the local surface data, because cross-server, so with a special method---Create a new table based on the original table, and import the data intoSELECT * Into table from OPENROWSET (' SQLOLEDB ', ' SQL Server name '; ' User name '; ' Password ', database name. dbo. Table name)---

, 1, ")ENDGO--Call functionSELECt ID, values=dbo.f_strhebin (ID)From TBGROUP by IDThese are all records that are merged by ID, and if you want to get a record of the corresponding single ID, you also need to add a statement:Assumption: The above results are entered into the temp table 3t3:SELECT Id,max (values) as values from #t3 the GROUP by IDGoThe analysis results are as follows:SQL Server parse and compile time:CPU time = 0 milliseconds, elapsed t

There are many ways to implement synchronization between table data, such as deleting and then insert again, or writing some other branch conditions to determine whether to insert or UPDATE. The synchronization between table data can also be achieved through a combination of various tasks such as Lookup, Condition Split, and so on in SSIS Package. "Sync" here means that every time you execute a piece of code, you can ensure that the data in table A and table B are always the same. Can be implem

What are collation rules? The collation specifies the bit pattern that represents each character. It also specifies the rules for sorting and comparing characters. Collations have the following characteristics: Language Case sensitive Accent Sensitive Distinguish Kana To understand the collation that the server is currently using, you can run the Sp_helpsort system procedure in SQL Query Analyzer.

Tags: style blog http color os using AR strong dataOriginal: SQL Server 2005 database scheduled replication for dual standby (primarily SharePoint content databases)SceneThe company's most recent database server for SharePoint is always in trouble, and is not working properly once a problem occurs. The main thing is th

The merge keyword is a magical DML keyword. It was introduced in SQL Server 2008, it can be insert,update,delete simple and as a sentence. MSDN's interpretation of the merge is very short: "Insert, update, or delete operations on the target table based on the results of the join with the source table." For example, you

), ('user2', 2)In general, we will write the following statement:The Code is as follows:Declare @ UserName varchar (10) = 'user2' -- indicates the user name for a login.Merge into TargetTable as tgUsing (select UserName, [Level] from SourceTable where UserName = @ UserName)As sr (UserName, [Level]) on tg. UserName = sr. UserNameWhen matched thenUpdate set [Level] = sr. [Level] -- update authorization LevelWhen not matched by target thenInsert (UserName, [Level]) values (@ UserName, 0) -- represe

(constr, "Microsoft Access")> 0 thenSqlstr = [Microsoft Access] [SQL code]ElseSqlstr = [Microsoft SQL Server] [SQL code]End if (Constr -- connection string) In this way, even if you change the database, you do not need to modify the database query and update code. In addition, access records contain "true" and "false"

-server databases and has undergone rigorous testing, including microsoft® SQL Server, Oracle and so on. ASP supports shared file databases such as microsoft® Access or Microsoft ® FoxPro ) as a valid data source. Although Some examples in ASP documents use shared file

Original: SQL Server-Use the Merge statement to synchronize contrast between table dataThere are many ways to implement synchronization between table data, such as deleting and then re-insert, or writing some other branch criteria to determine whether to insert or UPDATE. Included in the SSIS package is the ability to synchronize between table data through a comb

$PARTITION. Partfunsale (saletime)--the original partitioning function was to place data before 2010-1-1 in the 1th partition table, with data from 2010-1-1 to 2011-1-1 placed in the 2nd partition table--It is now necessary to place data before 2011-1-1 in the 1th partition table, which is the merging of data from the 1th partition table and the 2nd partition table--Modifying a partition functionALTERPARTITIONFUNCTIONPartfunsale () MERGE RANGE ('20100

I'm going to put my actual test results first.ProblemI have a SQL Server instance, which has hundreds of databases. Navigating the database tree in SSMS is a pain and I were wondering if there was a by-a-to-limit the list of databases that I See in SSMS?SolutionSQL Server co