Lecture #10 “Introduction into Relational Databases”

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You can find out here of “Introduction into Relational Databases” course.

[RDBMS] Lecture #10

Themes are below.

Introduction into Query Optimization
Relational Algebra
Semantic Queries
Transformation Laws
Query Cost

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Associative law Commutative law Cost Database statistics Distribution law Idempotent law Memory usage Parse tree Plan tree Projection law Query tree Reduction law Reduction projection law Relational algebra Semantic optimization SQL Transformation Laws Tutorial-D

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