USE TemporalProductInventory; GO BEGIN --If table is system-versioned, SYSTEM_VERSIONING must be set to OFF first IF ((SELECT temporal_type FROM SYS.TABLES WHERE object_id = OBJECT_ID('dbo.ProductInventory', 'U')) = 2) BEGIN ALTER TABLE [dbo].[ProductInventory] SET (SYSTEM_VERSIONING...
強烈建議您將 SYSTEM_VERSIONING 設為DATA_CONSISTENCY_CHECK = ON,以針對現有資料強制執行資料一致性檢查。 如果偏好隱藏的資料行,請使用命令 ALTER TABLE [tableName] ALTER COLUMN [columnName] ADD HIDDEN;。 相關內容 暫存資料表 開始使用系統版本化的時間表 管理系統版本化時間表中的歷史資料保留 系統版本化時態...
先关闭SYSTEM_VERSIONING,修改历史表名,并再次打开SYSTEM_VERSIONING,即完成了历史表的归档(当然,这样归档的话,归档的那部分数据也就失去了使用FOR SYSTEM_TIME语法查询的能力了): ALTERTABLEMyTableSET(SYSTEM_VERSIONING=OFF);EXECsp_rename'MyTableHistory','MyTableHistory_20170303';ALTERTABLEMyTableSET(SYSTEM_VERS...
ALTER TABLE modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers.
Learn how to stop versioning on your system-versioned temporal table either temporarily or permanently.
For more information, seeCreate a system-versioned temporal table. Inserts:The system sets the value for theValidFromcolumn to the begin time of the current transaction (in the UTC time zone) based on the system clock and assigns the value for theValidTocolumn to the maximum value of9999-12...
單一Transact-SQL 陳述式在資料分割資料表的單一資料分割區上取得至少 5,000 個鎖定,且 ALTER TABLE SET LOCK_ESCALATION 選項設定為 AUTO。 SQL Server 資料庫引擎執行個體中的鎖定數目超過記憶體或組態閾值。 如果因為鎖定衝突而無法擴大鎖定,資料庫引擎會在每取得 1,250 個新鎖定時,定期觸發鎖...
10316 Enables creation of additional indexes on internal memory-optimized staging temporal table, beside the default one. If you have specific query pattern that includes columns that aren't covered by the default index, you might consider adding additional indexes.Note: System-versioned temporal tabl...
使用SSMS 中的操作功能表項 「New System-Versioned Table」,物件總管 以時態表範本腳本開啟查詢編輯器,然後使用 [指定範本參數的值] (Ctrl+Shift+M) 填入範本: 在SSDT 中,將新專案新增至資料庫專案時,選擇 [時態表(系統版本設定)] 範本。 這會開啟資料表設計工具,並讓您輕鬆地指定資料表配置: ...
,PERIOD FOR SYSTEM_TIME (StartTime, EndTime) GO Now, enable System-versioned Temporal Table: 1 2 3 ALTER TABLE tbl_Employees SET (SYSTEM_VERSIONING = ON (HISTORY_TABLE=dbo.tbl_EmployeesHistory)) GO SQL Server 2016: Drop table operation failed on table because it is...