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Database Management System. DBMS A software package that allows users to create, retrieve and modify databases. A database is a collection of related.

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Presentation on theme: "Database Management System. DBMS A software package that allows users to create, retrieve and modify databases. A database is a collection of related."— Presentation transcript:

1 Database Management System

2 DBMS A software package that allows users to create, retrieve and modify databases. A database is a collection of related tables. A table is a collection of related records. A record consists of a number of fields. A field may be a number, a string, a date, or a boolean value etc.

3 Features Database – collection of table Table – field name, type, width, key field Manipulation – delete, append, edit/modify Viewing – order, filter, index Reporting – label, report, order, filter Searching – go to record, locate, seek Query – query wizard, query language(SQL)

4 Create Tables Create a table and specify the –Field Name –Type –Width –Index

5 Viewing and Editing Browse –Edit/change content –Filter –Order –Selected fields

6 Modify data in a table Edit Append Delete (logically) –and remove(physically) –scope

7 Table Structure Modify table structure –Field name –Field type –Field width –Insert field –Delete field

8 Query Query wizard –Create query –Select table –Select fields –Filter records –Sort records –Limit records –Save query SQL (Structured Query Language)

9 Report Create report/labels – wizard Select fields Select style Select layout Sort records Save Run report


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