Name and explain the three location modes. - IDMS

Name and explain the three location modes.

- The three location modes are Calc, Via and direct mode.

- Calc - It is based on certain symbolic value that is used to determine the target page.

- Via - It is used only for members.
The Via records are persisted near to their owners.

- Direct - The user specifies the target.
The target is persisted very close to the specific page.