'B1 c1' diaporamas de présentation

Relational Algebra and Calculus: Introduction to SQL

Relational Algebra and Calculus: Introduction to SQL. University of California, Berkeley School of Information IS 257: Database Management. Lecture Outline. Review Design to Relational Implementation Relational Algebra Relational Calculus Introduction to SQL. Lecture Outline. Review

643 views • 64 slides

Relational Algebra and Calculus

Relational Algebra and Calculus. University of California, Berkeley School of Information Management and Systems SIMS 257: Database Management. Physical Database Design RAID Data Integrity. Review. Physical Design Decisions.

484 views • 46 slides

SQL and Client Applications

SQL and Client Applications. University of California, Berkeley School of Information Management and Systems SIMS 257: Database Management. Lecture Outline. Review Relational Operations Relational Algebra Relational Calculus Introduction to SQL Introduction to SQL (continued)

567 views • 45 slides

XML Data Management 10. Deterministic DTDs and Schemas

XML Data Management 10. Deterministic DTDs and Schemas. Werner Nutt. How Expressive can a Schema Be?. This schema is a frequent example in teaching material on XML Schema.

414 views • 29 slides

II) RELATIONAL DATABASES

II) RELATIONAL DATABASES. The Relational Model. Domain : A set of atomic values such as strings, integers, reals, etc. Tuple : An element of the Cartesian product of the different domains Relation : A subset of the Cartesian product of the different domains (i.e., a set of tuples)

237 views • 23 slides

367 views • 19 slides

Ch. 5? Each attribute implies a domain (data type, set of values)

169 views • 16 slides