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 ...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics SQL database in Microsoft Fabric The 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, up...
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...
Some article resolvers are written to handle conflicts only for certain operations. For example a resolver might handle updates, but not inserts or deletes. The default priority-based conflict resolver handles any conflicts not handled by the article resolver. ...
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. ...
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....
If you specify an incorrect order (for example, one that results in detail records being processed before header records), merge replication will retry processing until it succeeds. New article At the Publisher on the publication database, execute sp_addmergearticle (...
When referential integrity is maintained through triggers or at the application level, you should specify the order in which the articles should be processed. In the example with triggers, you would specify that theSalesOrderHeadertable should be processed beforeSalesOrderDetail, because article orderin...
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....
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...