(SELECT * from INSERTED) and is EXISTS (SELECT * from DELETED)----Insertbeginset @acti on= ' INSERT ' endelse IF not EXISTS (SELECT * from INSERTED) and EXISTS (SELECT * from DELETED)----Deletebegin SET @actio n= ' DELETE ' endelse IF EXISTS (SELECT * from INSERTED) and EXISTS (SELECT * from DELETED)-----updatebegin SET @action = ' UPDATE ' Endselect row_number () over (ORDER by Dataareaid) rowid,description,code,category,getdate () Modifieddatetime, ModifiEdby,getdate () createddatetime,create
" and enter the corresponding port number
SQL database Synchronous replication
I. Establish a publishing and distribution server
[Welcome to the Configure Publishing and Distribution Wizard]->[Select Distributor]
->[makes "@servername" its own distributor, SQL Server creates distribution
The merge statement in SQL Server 2008 can do many things, and its function is to perform INSERT, update, or delete operations on the target table based on the source table. The most typical application is the synchronization of two tables.The following is a simple example of how the merge statement is used, assuming t
the applications of merge write operations:• Internal data sharing: for example, a department in charge of salary, payable and receivables within a company can access the same data. Users of each department can modify the data on their own, and then merge all the modifications on the department system. • Multi-Point Data Sharing: when users in different locations need to use the same data and need to modi
" and enter the corresponding port number
SQL database Synchronous replication
I. Establish a publishing and distribution server
[Welcome to the Configure Publishing and Distribution Wizard]->[Select Distributor]
->[makes "@servername" its own distributor, SQL Server creates distribution
server| Create
We know that SQL Server 2000 's merge replication supports dynamic filter functionality. If we have multiple subscriber, each Subscriber only needs to maintain its own specific data, we simply create a publication and then take advantage of the function of dynamic filter, Copy the specific data that each
Two Methods for batch data import in SQL Server databases: SQL Server
During the implementation of software projects, data import has always been a headache for the project staff. In fact, many data import methods are integrated in SQL
Tags: style blog http io color using SP strong fileData backup has always been considered a database of life, that is, one of the main skills of a DBA, this article is about the SQL Server backup principle, the SQL Server database is divided into data files and log files. To enable the database to recover a consistent
In addition, the configuration of merging and copying was studied last night. The environment I need is like this. The server-side database adopts SQL Server 2000. The PPC client adopts the streamlined Database SQL Server mobile edition.Currently, most of the database cooper
Original: SQL Server Enterprise Platform Management Practice reading notes--about how SQL Server databases are restoredThis article is the backup method of the previous article, this article is about the restore scenario, in SQL
4 methods for backing up databases from SQL Server and 4 methods for SQL Server
1. SQL server maintenance plan
Here I will not explain it. This is relatively simple. It is nothing more
if it does, your merge team will have to deal with unexpected performance problems and enhanced functionality.
Your team must consider a variety of scenarios when implementing SLAs. For example, some people may find that the application performance is poor when identifying the database, and these databases are a good choice for merging. The ideal customer should melt these applications down on demand and
Summary of index, foreign key, and field syntax maintenance for mysql, SQL Server, and oracle databases, and SQL Server oracle
Summary of index, foreign key, and field syntax maintenance for mysql, SQL
distribution databases and logs]
-> [Create a snapshot folder]-> [custom configuration]-> [No, use the following default configuration]-> [complete]
After the preceding steps are completed, a distribion library and
A distributor_admin administrator-level user (we can change the password as needed)
Four new jobs are added to the server:
[Clear Agent history: distribution]
[Clear distribution: distributi
For the first time, SQL Server appeared on the top ten rankings of "all environments" (This ranking includes all databases running in Microsoft Windows and non-Windows environments ), this indicates that SQL Server has ranked among the OLTP
You can access SQL Server through ado, and execute corresponding SQL statements to create databases and tables. The following are definitions in SQL Server books online.
Table creation:
Create Table[Database_name. [owner].|
SQL Server 2008 provides an enhanced SQL command merge for use in the msdn:http://msdn.microsoft.com/zh-cn/library/bb510625.aspx
Function: Inserts, updates, or deletes on the target table based on the results of joining with the source table. For example, you can synchronize two tables by inserting, updating, or delet
1. Create a publishing and distribution server
[Welcome to the configuration release and distribution wizard]-> [select a distribution server]
-> [Make "@ servername" its own distribution server, and SQL server will create distribution
DATABASE GHW ADD filegroup [data_201207]; ALTER DATABASE GHW Add file (name= ' data_201207 ', filename= ' e:\data\ghw\DATA_201207.ndf ', SIZE=10MB, maxsize=unlimited, FILEGROWTH=10MB) to filegroup data_201207 MySQL Related--View the number of recordsSelect Table_name,table_rows from Information_schema.tables where table_schema= ' Stdb '--View the number of partitionsSelect Partition_ordinal_position part,table_rowsFrom Information_schema.partitionswhere Table_schema = Schema () and tabl
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