'Basic relational algebra operators' diaporamas de présentation

Database Systems

Database Systems. October 14, 2009 Lecture #5. Course Administration. Assignment #2 will be out on the course homepage. It is due in two weeks 10.28.2009. Assignment #1 is due today. Next week reading: Chapter 8: Overview of Storage and Indexing. Long Reflection: DB design.

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Database Systems

Database Systems. October 15, 2014 Lecture #5. Long Reflection: DB design. Step 1: Requirements Analysis What data to store in the database? Step 2: Conceptual Database Design Come up with the design: Entity-Relation (ER) model Sketch the design with ER diagrams

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Database Systems ( ????? )

Database Systems ( ????? ). October 15/17, 2007 Lecture #4. Course Administration. Assignment #1 is due today (outside 336/338). Assignment #2 will be out on the home webpage. It is due two weeks from today. Course slides will now have black background

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Database Systems

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Relational Query Languages

Relational Query Languages. Naveen Ashish Calit2 &ICS UC-Irvine. Relational Languages. Relational Algebra ( procedural ) defines operations on tables Relational Calculus ( declarative ) based on first-order predicate calculus

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Relational Query Languages

Relational Query Languages. Relational Algebra ( procedural ) Relational Calculus (non-procedural). Relational Languages. Relational Algebra (procedural) defines operations on tables Relational Calculus (declarative) based on first-order predicate calculus

216 views • 21 slides

Relational Query Languages

Relational Query Languages. Relational Algebra ( procedural ) Relational Calculus (non-procedural). Relational Languages. Relational Algebra (procedural) defines operations on tables Relational Calculus (declarative) based on first-order predicate calculus

212 views • 19 slides