SQL Server Azure SQL 数据库 Azure SQL 托管实例 Azure Synapse Analytics Microsoft Fabric SQL 数据库 根据与源表联接的结果,对目标表进行插入、更新或删除操作。 例如,根据与另一个表的区别,在一个表中插入、更新或删除行,从而同步两个表。 备注
图12.哈希匹配的第一阶段 图12中,将输入源中的每一个条目经过散列函数的计算都放到不同的Hash Bucket中,其中Hash Function的选择和Hash Bucket的数量都是黑盒,微软并没有公布具体的算法,但我相信已经是非常好的算法了。另外在Hash Bucket之内的条目是无序的。通常来讲,查询优化器都会使用连接两端中比较小的哪个输...
MERGE in Integration Services Packages 發行項 2025/01/03 7 位參與者 意見反應 適用於: SQL Server Azure Data Factory 中的 SSIS Integration Runtime 在目前版本的 SQL Server Integration Services 中,「執行 SQL」工作中的 SQL 陳述式可能會包含 MERGE 陳述式。 這個 MERGE 陳述式可讓您在單一陳述式中完成...
SQL Server 2008 R2, SQL Server 2012, or SQL Server 2014. In this situation, you may experience Merge Agent failure or incorrect results such as additional characters in character type columns or additional numb...
(1) Referred to as "dynamic snapshot" in SQL Server 2000 Books Online. For more information, see the section "Sending and Receiving Only the Data Required by the Application" in this paper. 2 The difference in size is due to a set of batching procedures that SQL Server 2005 creates. Th...
You may receive the following error message when you run a MERGE statement in Microsoft SQL Server 2008: Msg 8672, Level 16, State 1, Line 1 The MERGE statement attempted to UPDATE or DELETE the same row more than once. This happens when ...
of SQL Server, based solely on the value of thecolumn_trackingproperty for the article. If this value is TRUE, merge replication will ignore thecolumn_trackingproperty of the article, and detect a conflict if changes are made anywhere in the ...
Apply SQL hotfixes in a replication topology ASCII function returns different results Cannot use rowguidcol in filter definition in merge replication CDC capture job fails when processing changes CDC for Oracle results in transaction log growth Duplicate key rows from sys.syscommittab tab...
In this article How Partition Validation Works See Also Applies to: SQL ServerWhen you define a parameterized row filter for a merge publication, you use a function that references Subscriber information, such as the Subscriber's login name. By default, replication validates Subscriber ...
(in which case this column is used). If the table is dropped from the publication, therowguidcolumn is removed; if an existing column was used for tracking, the column is not removed. A filter must not include therowguidcolused by replication to identify rows. Thenewid()function is ...