Presentation Handout EDBA – Module 8 Information Technology 21 st December 2014 By K.M.Prashanthan.

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Presentation transcript:

Presentation Handout EDBA – Module 8 Information Technology 21 st December 2014 By K.M.Prashanthan

Agenda Normalisation of databases Entity Relationship Diagram SQL Statements

Normalization of databases Problems without normalization Normalisation rules -1 st normal form -2 nd normal form -3 rd normal form

Entity Relationship Diagram Entity Identification Attributes Relationships

Data Definition Language (DDL) Data Manipulation Language (DML) Data Query Language (DQL) Data Control Language (DCL) Transactional Control Language (TCL) SQL Queries SQL Function SQL Statements

Thank You

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