IMS DB: How to Resolve Deadlock

An application program can gain control when it is selected as the victim of a deadlock.

Dead Lock in IMS DB

How to prevent Deadlock..

The program can receive a status code ‘BC’ and make a programmatic decision as to how handle the deadlock instead of terminating with a U0777 ABEND.

There is an other opportunity for you to refresh your knowledge on IMS DB status codes asked in many interviews. An internal ROLB will be issued prior to the receipt of the ‘BC’ status code.

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Srini

Data Engineer with deep AI and Generative AI expertise, crafting high-performance data pipelines in PySpark, Databricks, and SQL. Skilled in Python, AWS, and Linux—building scalable, cloud-native solutions for smart applications.