6. The database schema is written in :
7. In an E-R diagram attributes are represented by :
8. ‘AS’ clause is used in SQL for :
(a) Selection operation.
(b) Rename operation.
(c) Join operation.
(d) Projection operation.
9. The language used in application programs to request data from the DBMS is referred to as the :
10. A relational database developer refers to a record as :
(a) a criteria.
(b) a relation.
(c) a tuple.
(d) an attribute.
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