CSE MCQs :: DBMS MCQs
- Relational Algebra is a __________ query language that takes two relation as input and produces another relation as output of the query.
- Which of the following is a fundamental operation in relational algebra ?
- Which of the following is used to denote the selection operation in relational algebra ?
- For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after the sigma.
- The ___________ operation, denoted by -, allows us to find tuples that are in one relation but are not in another.
- Which is a unary operation:
- Which is a join condition contains an equality operator:
- In precedence of set operators the expression is evaluated from
- Which of the following is not outer join ?
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