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...
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 wit...
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。如果慣用隱藏的資料行,請使用命令 ALTER TABLE [tableName] ALTER COLUMN [columnName] ADD HIDDEN;。相關內容暫存資料表 開始使用系統版本設定時態表 管理系統設定版本時態表中的歷程記錄資料保留 系統版本...
The internal memory-optimized staging table The data flush task Related content Applies to: SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed InstanceSystem-versioned temporal tables for memory-optimized tables provide a cost-effective solution for scenarios where data audit ...
SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance Depending on your scenario, you can either create new system-versioned temporal tables, or modify existing ones by adding temporal attributes to the existing table schema. When the data in temporal table is modified...
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_VERSIONI...
| FOR SYSTEM_TIME FROM <point in time 1> TO <point in time 2> ... Conformance Rules: Without Feature T180, "System-versioned tables", conforming SQL language shall not contain <query system time period specification>. Subclause 11.3, "<table definition>": ...
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...
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: FOR SYSTEM_TIMEALL, AS OF, BETWEEN...AND, FROM...TO, CONTAINED IN 1. 这里如果SysStartTime和SysEndTime相等时不会返回记录的。