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What are the advantages of DB2 over VSAM?

What are the advantages of DB2 over VSAM ?

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they will contact you with a good explanation, but it comes down to the fact that DB2 offers referential integrity and the ability to use SQL. In addition to this, DB2 supports things like procedures, views, and triggers. DB2 understands the relationship between tables. On z / OS implementations, DB2 tables are actually stored as linear VSAM files.

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  • VSAM : file system, so no simultaneous updates, no logging, no return
  • DB2 : database: logging and back-outing at the same time
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Source: https://habr.com/ru/post/1729800/

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