CHANGETABLE(CHANGES ...) 會將上一次同步處理版本當做引數。 上次同步版本是使用 @last_synchronization_version 变量获得的。 上一次同步處理版本的語意如下:呼叫的用戶端已取得變更並了解到上一次同步處理版本為止的所有變更 (包括此版本)。 CHANGETABLE(CHANGES ...) 因此會傳回上一次同步處理版本之後發生的所有...
在資料表層級啟用和停用異動資料擷取時,sys.sp_cdc_enable_table (Transact-SQL) 與sys.sp_cdc_disable_table (Transact-SQL) 的呼叫端必須是 sysadmin 角色的成員或是資料庫 database db_owner 角色的成員。只有伺服器 sysadmin 角色的成員和 database db_owner 角色的成員才能使用這些預存程序來支援異動資料...
CHANGE_TRACKING_MIN_VALID_VERSION(OBJECT_ID(N'dbo.tb')),*FROMCHANGETABLE(CHANGES dbo.tb,0) CHGLEFTJOINdbo.tb DATAONDATA.id=CHG.id;--c. 更新xml 和varbinary(max) 数据UPDATEdbo.tbSETcol5.modify('replace value of /a[1]/text()[1] with "replace"')WHEREid=1;UPDATEdbo.tbSETcol5.modif...
The tracking table needs to be managed in some way to avoid its growing out of control, which may require you to create something like an Agent job to periodically trim old data. Easier Ways to Track Changes in SQL Server 2008 SQL Server 2008 introduces two new technologies that make it m...
Schema changes aren't required. You don't have to add columns, add triggers, or create side table in which to track deleted rows or to store change tracking information if columns can't be added to the user tables. There's a built-in cleanup mechanism. Cleanup for change tracking is ...
Returns tracking information for all changes to a table that have occurred since the version that is specified by last_sync_version.table_name Is the user-defined table on which to obtain tracked changes. Change tracking must be enabled on the table. A one-, two-, three-, or four-part ...
The Azure SQL Database hastwo main ways to track changeswith data (rows/DML) as well as table changes. One of those methods isChange Trackingwith the other beingChange Data Capture. Today’s post will be going into depth on Change Tracking. ...
Schema changes aren't required. You don't have to add columns, add triggers, or create side table in which to track deleted rows or to store change tracking information if columns can't be added to the user tables. There's a built-in cleanup mechanism. Cleanup for change tracking is ...
Enable applications to determine the DML changes (insert, update, and delete operations) that were made to user tables in a database, using track changes and change data capture.
SQL 复制 SELECT name FROM mytable WHERE name = 'Bill'; 键范围锁放置在与从 Ben 到Bing 的名称范围对应的索引项上,因为名称 Bill 将插入到这两个相邻的索引项之间。 RangeS-S 模式键范围锁放置在索引项 Bing 上。 这样可阻止其他任何事务在索引项 Bill 与Ben 之间插入值(例如 Bing)。