1. A data consistency management system comprising: a memory storing machine readable instructions executed by at least one hardware processor to: receive a query; determine a suitability of the query for processing by a relational database management system (RDBMS) by ranking data tables based on a combination of read queries for the data tables and query patterns suitable for a not-only structured query language (NoSQL) data store for the data tables, at least one of the data tables containing information for responding to the query, based on the ranking, determining data tables from the ranked data tables that are to be managed by the NoSQL data store, or by the RDBMS, assigning the data tables from the ranked data tables that are to be managed by the NoSQL data store for management by the NoSQL data store, and remaining data tables from the ranked data tables for management by the RDBMS, and determining whether the query is for at least one data table managed by the RDBMS; and in response to a determination that the query is for the at least one data table managed by the RDBMS, forward the query to the RDBMS for processing the query.