InterviewSolution
Saved Bookmarks
| 1. |
The process of replacing a nested query with a query with a join is known as _________(a) Correlation(b) Decorrelation(c) Cache handling(d) Join replacementI had been asked this question in exam.This is a very interesting question from Choice of Evaluation Plans topic in section Query Processing and Optimization of RDBMS |
|
Answer» Right answer is (b) Decorrelation |
|