1.

A relational algebra operation annotated with instructions on how to evaluate it is called _______(a) Evaluation algebra(b) Evaluation plan(c) Evaluation primitive(d) Evaluation engineI have been asked this question in examination.I want to ask this question from Query Processing in chapter Query Processing and Optimization of RDBMS

Answer»

Right option is (c) Evaluation primitive

Easy explanation: A relational algebra operation ANNOTATED with INSTRUCTIONS on how to evaluate it is called Evaluation primitive. The evaluation primitive is the basis for evaluation of QUERIES.



Discussion

No Comment Found

Related InterviewSolutions