You want to track date and time of the last write access (INSERT, UPDATE) per row. How can you achieve that?

technology databases

  1. Add a TIMESTAMP column to the table; SQL Server will automatically track date and time of every change.

  2. Add a DATETIME column to the table and assign getdate() as the default value.

  3. Add a DATETIME column to the table and write a trigger that sets its value.

  4. Add a UNIQUEIDENTIFIER column to the table and use it with SQL Server's built functions

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Correct Option: C

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