Is A Logical Database A Requirement/must To Write An Abap Query?

1.	Is A Logical Database A Requirement/must To Write An Abap Query?
Answer» No, it is not must to use LDB. APART from it, we have other OPTIONS: Table join by Basis Table. DIRECT Read of table. Data Retrieval by PROGRAM. No, it is not must to use LDB. Apart from it, we have other options:

Answer»

No, it is not must to use LDB. APART from it, we have other OPTIONS:

No, it is not must to use LDB. Apart from it, we have other options:

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