(Answered) 1 explain the role of the data dictionary in the dbms 2

Engineering

1. Explain the role of the data dictionary in the DBMS ?

2. Define the difference between the database and the database management system ?

3. Define and explain SQL. Hoe does it differ from other programming languages and what are the components ?

4. Define and explain the concept of the user interface. How does the user interface connect to the DBMS ?

Please put in your own words and any references used are listed out.

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