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Data Modeling And Entity Relationship Diagram

DATA MODELING AND ENTITY RELATIONSHIP DIAGRAM:- Data modelings the process of designing logical structure of a database with a diagram using text and symbols to represent the way data needs to flow. This diagram is called Entity Relationship diagram EFC Data models define how data is connected to each other …

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Database Design Steps / Planning Database

Database Design Steps / Planning Database

PLANNING A DATABASE (Database Design Steps / Planning Database) :- Database planning is a systematic approach to the development of database that moves from concept to design and development to implementation. A well-designed database promotes Consistent data entry and retrieval. Database should be planned in a systematic way to save time, …

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Database Programming Languages / Basic Database Terminology

DATABASE LANGUAGES SQL (Structured Query Language) is a standard language for accessing and manipulating databases. There are three types of SQL languages for relational databases. These are: • Data Definition Language • Data Manipulation Language • Data Control Language Data Definition Language:- Data Definition Language (DDL) is a computer language …

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