'Relational data models' presentation slideshows

CHAPTER 2 Database System Concepts and Architecture

CHAPTER 2 Database System Concepts and Architecture. Outline. Data Models and Their Categories History of Data Models Schemas, Instances, and States Three-Schema Architecture Data Independence DBMS Languages and Interfaces Database System Utilities and Tools

553 views • 53 slides

CHAPTER 2 Database System Concepts and Architecture

CHAPTER 2 Database System Concepts and Architecture. Outline. Data Models and Their Categories History of Data Models Schemas, Instances, and States Three-Schema Architecture Data Independence DBMS Languages and Interfaces Database System Utilities and Tools

792 views • 53 slides

New Generation Database Systems: XML Databases

New Generation Database Systems: XML Databases. University of California, Berkeley School of Information IS 257: Database Management. Lecture Outline. XML and RDBMS Xpath and Native XML Databases. Lecture Outline. XML and DBMS Xpath and Native XML Databases. Standards: XML/SQL.

587 views • 44 slides

CHAPTER 2 Database System Concepts and Architecture

CHAPTER 2 Database System Concepts and Architecture. Outline. Data Models and Their Categories History of Data Models Schemas, Instances, and States Three-Schema Architecture Data Independence DBMS Languages and Interfaces Database System Utilities and Tools

460 views • 44 slides

Big Data

Big Data. Big Data: A definition.

915 views • 28 slides

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??????? ??????? ???. Data Hierarchy. Hierarchy of Data bits bytes (characters) fields - characters joined together records - a collection of related fields files - a collection of records databases - a collection of linked files. Data Hierarchy. Bits Bytes Fields Records Files

348 views • 25 slides

XML to Relational Database Mapping

XML to Relational Database Mapping. Bhavin Kansara. Introduction. XML/relational mapping means data transformation between XML and relational data models XML documents can be transformed to relational data models or vice versa. Mapping method is the way the mapping is done. XML.

816 views • 24 slides

CS319 Theory of Databases

224 views • 20 slides

XML and Databases

XML and Databases. Data and Document. There are really at least two distinct XML uses XML to describe Documents XML to describe Data. Document vs Data. XML for documents describes complex document structures: many elements with mixed content data types usually just text.

240 views • 13 slides

The E/R model, triggers, HTML5

209 views • 12 slides