In SQL Server 2016, System versioned tables are the tables whose data is maintained in the history table. This history is maintained by SQL Server itself. All you need is to specify two additional datetime2 columns (SysStartTime and SysEndTime in the example below) and a clause with...
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...
Create a temporal table with a user-defined history table Alter non-temporal table to be a system-versioned temporal table Show 3 more Applies to: SQL Server 2016 (13.x) and later versions Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric There are three ways...
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...
The internal memory-optimized staging table The data flush task Related content Applies to: SQL Server 2016 (13.x) and later Azure SQL Managed Instance System-versioned temporal tables for memory-optimized tables provide a cost-effective solution for scenarios where data audit and point in time...
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...
SQL Server 2016: Drop table operation failed on table because it is not supported operation on system-versioned temporal tablesSQL Server Interview: Difference between Sequence Object and Identity Column Anvesh Patel Database Engineer March 7, 2018SQL ServerAnvesh Patel,database...
查询Temporal Table(历史表)的记录 SQL Server对T-SQL提供了几个新的子句用于查询Temporal Table中的记录,即在正常的T-SQL查询语句后面添加新的子句: FORSYSTEM_TIMEALL,ASOF,BETWEEN...AND,FROM...TO, CONTAINEDIN 这里如果SysStartTime和SysEndTime相等时不会返回记录的。
When inserting new data in a table that is system-versioned, rows will be given the default enddate “9999-12-31 23:59:59” upon insertion, this will allow the server to maintain the data and always have the current dataset in the table at all times. Basically means that the record is...
Applies to: SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed InstanceYou may want to stop versioning on your temporal table either temporarily or permanently. You can do that by setting the SYSTEM_VERSIONING clause to OFF....