it quiz
Which of the following provides the ability to query information from the Database
a) DML
b) DDL
c) Query
d) Relational Schema
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Which one of the following is used to define the structure of relation?
a) DML
b) DDL
c) Query
d) Relational Schema
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Which of the following are network services
a) File service
b) Print Service
c) Database Service
d) All
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Aggregate functions are those which take ………. as input and retrieve a single Value
a) Collection of values
b) Single value
c) Aggregate value
d) Both a & b
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