使用 CHANGETABLE 获取特定行的版本号。 如果行已经更新,则不进行更改,并且查询将返回有关对行的最近更改的信息。 SQL 复制 -- @last_sync_version must be set to a valid value UPDATE SalesLT.Product SET ListPrice = @new_listprice FROM SalesLT.Product AS P WHERE ProductID = @...
Transact-SQL 語法慣例 語法 syntaxsql複製 CHANGETABLE( {CHANGES<table_name>,<last_sync_version>|VERSION<table_name>,<primary_key_values>} , [FORCESEEK] ) [AS]<table_alias>[ (<column_alias>[ ,...n ] )<primary_key_values>::=(<column_name>[ , ...n ] ) , (<value>[ , ...n ...
SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance Analytics Platform System (PDW) You can change the order of columns inTable Designerin SQL Server Management Studio (SSMS). By default, a safety mechanism of SSMS blocks changing the column order. Though it isn...
Just like humans, the schema for a SQL Server database has a life cycle. The database is first deployed (birth), then it is widely used (living), and finally, it is decommissioned (death). A database administrator during this life cycle might be asked to add, change, and drop columns...
ValueDescription Auto_FixLinks a user entry in thesys.database_principalssystem catalog view in the current database to a SQL Server login of the same name. If a login with the same name doesn't exist, one is created. Examine the result from theAuto_Fixstatement, to con...
今天分享的内容是普通索引和唯一索引的区别,期间会印出来change buffer的内容。 01 普通索引和唯一索引 普通索引和唯一索引的概念相比大家都不陌生,这里我们先来说说这两种索引在查询和更新上的差别,先说查询。 1、查询上的差别: 假设我们在字段k上建立索引,对于select * from table where k=1;这个SQL语句,普通索...
使用CHANGETABLE 函数运行一个查询,该查询返回有关表的更改跟踪信息。 在这种情况下,查询需要很长时间才能返回结果。 解决方案 累积更新信息 SQL Server 2008 Service Pack 1 此问题的修补程序首次发布于 SQL Server 2008 Service Pack 1 的累积更新10。有关此累积更新包的详细信息,请单击下面的文章编号,以查看 Mic...
The table we are interested in is the SalesLT.SalesOrderDetail table. Here we can turn on change tracking and create this sample ETL extract but only include the rows that have been modified (insert/update/delete). Open a new query window and run the following SQL as the sqladmin user to...
Transact-SQL Syntax Conventions Syntax CHANGETABLE ( { CHANGES table , last_sync_version | VERSION table , <primary_key_values> } ) [AS] table_alias [ ( column_alias [ ,...n ] ) <primary_key_values> ::= ( column_name [ , ...n ] ) , ( value [ , ...n ] ) ...
@property is sysname, and can be one of the values listed in the following table. [ @value = ] N'value' The new value for the specified property. @value is nvarchar(2000), and can be one of the values listed in the following table. This table describes the properties of articles ...