VSAM vs PostgreSQL

Developers should learn VSAM when working on IBM mainframe systems, particularly for maintaining or modernizing legacy business applications in industries like banking, insurance, and government meets postgresql is widely used in the industry and worth learning. Here's our take.

VSAM

Nice Pick

Developers should learn VSAM when working on IBM mainframe systems, particularly for maintaining or modernizing legacy business applications in industries like banking, insurance, and government

Pros

• It is essential for tasks involving batch processing, online transaction processing (OLTP), and data management where high-speed access to indexed or sequential files is required, often in COBOL or PL/I programs
• Related to: cobol, db2

Cons

• Specific tradeoffs depend on your use case

PostgreSQL

PostgreSQL is widely used in the industry and worth learning

Pros

• Widely used in the industry
• Related to: sql, supabase

Cons

• Specific tradeoffs depend on your use case

The Verdict

Use VSAM if: You want it is essential for tasks involving batch processing, online transaction processing (oltp), and data management where high-speed access to indexed or sequential files is required, often in cobol or pl/i programs and can live with specific tradeoffs depend on your use case.

Use PostgreSQL if: You prioritize widely used in the industry over what VSAM offers.

The Bottom Line

VSAM wins

Developers should learn VSAM when working on IBM mainframe systems, particularly for maintaining or modernizing legacy business applications in industries like banking, insurance, and government