Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse AnalyticsThe MERGE statement runs insert, update, or delete operations on a target table from the results of a join with a source table. For example, synchronize two tables by inserting, updating, or deleting ...
When a publication is filtered, for example, using the function SUSER_SNAME(), the Merge Agent applies the initial snapshot to each Subscriber based on data that is valid for the SUSER_SNAME() expression.If validation is enabled, when the Subscriber reconnects to the Publisher for...
Applies to: SQL Server The Replication Conflict Viewer allows you to view any conflicts that have occurred during replication synchronization. Conflicts occur when the same data is modified at two separate servers, for example, at a Publisher and Subscriber, or at two different Subscribers. ...
The application requires net data change rather than access to intermediate data states. For example, if a row changes five times at a Subscriber before it synchronizes with a Publisher, the row will change only once at the Publisher to reflect the net data change (that is, the fifth value...
Examples (Transact-SQL) This example creates a new article and specifies that the SQL Server Averaging Conflict Resolver be used to calculate the average of the UnitPrice column when conflicts occur. SQL Copy DECLARE @publication AS sysname; DECLARE @article AS sysname;...
memoery存储引擎是在内存中来创建表,每个memory表只实际对应一个磁盘文件格式是.frm. 该引擎的表访问非常得快,因为数据是放在内存中,且默认是hash索引,但服务关闭,表中的数据就会丢失掉。 -- 下面创建一个memory表,并从city表获得记录 CREATE TABLE tab_memory ENGINE=MEMORY SELECT city_id,country_id FROM cit...
A value of 102 writes the same statistics as trace flag 101 but to the <Distribution server>..msmerge_history table instead. Enable merge agent logging when you use trace flag 101 by using the -output and -outputverboselevel parameters. For example, add the following parameters to the ...
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MERGE (Transact-SQL) Performs insert, update, or delete operations on a target table based on the results of a join with a source table. For example, you can synchronize two tables by inserting, updating, or deleting rows in one table based on differences found in the other table....
MERGE (Transact-SQL) Performs insert, update, or delete operations on a target table based on the results of a join with a source table. For example, you can synchronize two tables by inserting, updating, or deleting rows in one table based on differences found in the other table....