Relational Algebra DBMS Questions And Answers
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Relational Algebra DBMS Questions & Answers
1. Relational Algebra DBMS is a __________ query language that takes two relation as input and produces another relation as output of the query.
Relational Algebra DBMS Questions & Answers
2. Which of the following is a fundamental operation in Relational Algebra DBMS ?
Relational Algebra DBMS Questions & Answers
3. Which of the following is used to denote the selection operation in Relational Algebra DBMS ?
Relational Algebra DBMS Questions & Answers
4. For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after the sigma.
Relational Algebra DBMS Questions & Answers
5. The ___________ operation, denoted by -, allows us to find tuples that are in one relation but are not in another.
Relational Algebra DBMS Questions & Answers
6. Which is a unary operation:
Relational Algebra DBMS Questions & Answers
7. Which is a join condition contains an equality operator:
Relational Algebra DBMS Questions & Answers
8. In precedence of set operators the expression is evaluated from
Relational Algebra DBMS Questions & Answers
9. Which of the following is not outer join ?
Relational Algebra DBMS Questions & Answers
10. The assignment operator is denoted by