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Sql 92 major revision - PowerPoint PPT Presentation

The Relational Model

The Relational Model

The Relational Model. Content based on Chapter 3 Database Management Systems, (Third Edition), by Raghu Ramakrishnan and Johannes Gehrke. McGraw Hill, 2003.

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351 views • 33 slides
IT420: Database Management and Organization

IT420: Database Management and Organization

IT420: Database Management and Organization. SQL: Structured Query Language 25 January 2006 Adina Cr ? iniceanu www.cs.usna.edu/~adina. Goals. SQL. Relational Query Languages. A major strength of the relational model: supports simple, powerful querying of data

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414 views • 32 slides
IT420: Database Management and Organization

IT420: Database Management and Organization

IT420: Database Management and Organization. SQL: Structured Query Language 25 January 2006 Adina Cr ? iniceanu www.cs.usna.edu/~adina. Goals. SQL. Relational Query Languages. A major strength of the relational model: supports simple, powerful querying of data

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324 views • 32 slides
The Relational Model

The Relational Model

The Relational Model. Content based on Chapter 3 Database Management Systems, (Third Edition), by Raghu Ramakrishnan and Johannes Gehrke. McGraw Hill, 2003.

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338 views • 29 slides
IMPLEMENTATION OF INFORMATION RETRIEVAL SYSTEMS VIA RDBMS

IMPLEMENTATION OF INFORMATION RETRIEVAL SYSTEMS VIA RDBMS

IMPLEMENTATION OF INFORMATION RETRIEVAL SYSTEMS VIA RDBMS. Relational Database: Definitions. Relational database : a set of relations Relation: made up of 2 parts: Instance : a table , with rows and columns. #Rows = cardinality , #fields = degree / arity.

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265 views • 26 slides

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