6. The statement in SQL which allows to change the definition of a table is
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7. Which of the following is correct:
a SQL query automatically eliminates duplicates.
SQL permits attribute names to be repeated in the same relation.
a SQL query will not work if there are no indexes on the relations
None of these
8. Which of the following is a valid SQL type?
All of the above
9. Which of the following operations need the participating relations to be union compatible?
All of these
10. The full form of DDL is
Dynamic Data Language
Detailed Data Language
Data Definition Language
Data Derivation Language
UGC NET PAPER 1
UGC NET Management
UGC NET COMPUTER SCIENCE
UGC NET COMMERCE
GATE COMPUTER SCIENCE
CFA Level 1
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