Below is the complete list of DL/I functions used in IMS DB projects. The usage of DL/I functions is to interact with the IMS DB database and its segments.
DLI Functions
- GU, GN, and GNP GHU, GHN, and GHNP – Retrieving segments from database for updating
- DLET – Deleting segments from a database
- REPL – Replacing segments in a database
- ISRT – Adding segments to a database
- ISRT – Initially loading a database
- PCB – Scheduling a PSB
- TERM – Terminating a PSB
- CHKP (basic) – Issuing a basic checkpoint
- CHKP (extended) – Issuing a symbolic checkpoint
- XRST – Issuing an extended restart
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