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SQL is a computer language used to:
- Update and
- Delete data from relational database management systems (DBMS).
SQL is based on Relational Data Model - this is the most important feature of the language. The relational model of data permits the database designer to create a consistent, logical representation of information. Consistency is achieved by including declared constraints in the ...
Why Structured Query Language (SQL) is such an important tool is explored. Structured Query Language's role in the database world is explained.