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Database Concepts and Working with MySQL DBMS

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Database for Web

Database Concepts and Working with MySQL DBMS

Sachitra Wanninayake
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Query redundancy ER Oracle Clipper Languag dependency inter insertion rows PostgreSQL faculty database relational technique tuples model related design Access expresses Object deletion attributes collection Concept columns Structured retrieval admin ERD staff

1 . Database is a of - data which helps in efficient , and of data from database and organizes the data in the form of tables , views , schema , reports etc . For Example , university database organizes the data about students , , and etc . which helps in efficient retrieval , insertion and deletion of data from it .
2 . Some DBMS examples include MySQL , , Microsoft , SQL Server , FileMaker , , RDBMS , dBASE , , and FoxPro .
3 . Most database management systems today are based on the data model .
4 . Relational data the database as a set of relations ( table of values ) .
5 . Each relation has and which are formally called and respectively .
6 . modeling helps you to analyze data requirements systematically to produce a well - designed database .
7 . Entity - relationship diagram ( ) displays the relationships of entity set stored in a .
8 . Examples for entities : Person , Place , , Event ,
9 . Normalization is a database that organizes tables in a manner that reduces and of data .
10 . SQL stands for