What Is The Difference Between A Schema And A Subschema In Idms?

1.	What Is The Difference Between A Schema And A Subschema In Idms?
Answer» The SCHEMA is the physical ARRANGEMENT of the data as it appears in the DBMS. The subschema is the logical VIEW of the data as it appears to the application program. The schema is the physical arrangement of the data as it appears in the DBMS. The subschema is the logical view of the data as it appears to the application program.

Answer»

The SCHEMA is the physical ARRANGEMENT of the data as it appears in the DBMS. The subschema is the logical VIEW of the data as it appears to the application program.

The schema is the physical arrangement of the data as it appears in the DBMS. The subschema is the logical view of the data as it appears to the application program.

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What Is The Difference Between A Schema And A Subschema In Idms?

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