What Are The Cons Of A Traditional Rdbs Over Nosql Systems?

1.	What Are The Cons Of A Traditional Rdbs Over Nosql Systems?
Answer» The object-relational MAPPING layer can be complex. Entity-relationship modeling must be completed before testing begins, which slows development. RDBMSs don’t SCALE out when joins are required. SHARDING over MANY servers can be done but requires application code and “will be operationally inefficient. Full-text search requires third-party tools. It can be DIFFICULT to store high-variability data in tables.

Answer»

The object-relational MAPPING layer can be complex.
Entity-relationship modeling must be completed before testing begins, which slows development.
RDBMSs don’t SCALE out when joins are required.
SHARDING over MANY servers can be done but requires application code and “will be operationally inefficient.
Full-text search requires third-party tools.
It can be DIFFICULT to store high-variability data in tables.

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