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What is DBMS Query Evaluation Techniques about?

This document summarizes techniques for query evaluation in a database management system (DBMS), including external sorting, selection operations using indexes, and projection operations to remove fields and duplicates. It discusses algorithms for 2-way merge sort, generalized merge sort, sorting using B+-tree indexes, applying selection predicates using indexes or iteratively, and performing projections using sorting or hashing to remove fields and find duplicates. The document is provided as notes for a d

Author

Rajesh Sinha

Language

EN