create temporal table in sql
WITH new_table AS (
SELECT *
FROM existing_table
WHERE distance >= 20)
# You can then run multiple queries on this filtered data without
#having to filter the data everytime write complex subqueries.
# NB WITH/temporal tables is always defined first before writing queries.how to create system versioned table in sql server
CREATE TABLE Department
(
DeptID INT NOT NULL PRIMARY KEY CLUSTERED
, DeptName VARCHAR(50) NOT NULL
, ManagerID INT NULL
, ParentDeptID INT NULL
, SysStartTime DATETIME2 GENERATED ALWAYS AS ROW START NOT NULL
, SysEndTime DATETIME2 GENERATED ALWAYS AS ROW END NOT NULL
, PERIOD FOR SYSTEM_TIME (SysStartTime,SysEndTime)
)
WITH (SYSTEM_VERSIONING = ON);Copyright © 2021 Codeinu
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