If explicit value of attributes is not provided in SQL then value included in new tuple in such situation is called
If any of input values is null, result of an arithmetic expression, would be
SQL supports forms of user-defined data types, in form of
A relation, say r1, may include among its attributes primary key of another relation, say r2. r2 is also known as
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Vertical hierarchy and old departmental boundaries are virtually eliminated through
In formal relational model, set of indivisible values is called
To specify duplicate retention, we can use keyword in place of distinct, which is
User instructs system to perform a sequence of operations on database to compute desired outcome, is known as
Query languages used in practice includes elements of
Relational model is today primary data model for commercial
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This box ___________ thirty packets of cookies
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key