What are logical databases? What are the advantages/
dis-advantages of logical databases?

Answer Posted / sunita garbyal

Logical database are special ABAP programs that retrive data & make it available to application programs.
Advantages of Logical database.
• No need of taking care of the key field and the foreign key realtionship between the tables in question.(relationship between diff tables are reflected in tree structure of Logical database).
• A selection screen with appropriate selection criteria is automatically created.
• Program standard authority checks are executed by Logical database itself in reports.
• Logical database improves the performance of reports at runtime.

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