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Published byEdward Baker Modified over 9 years ago
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Database Management System
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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.
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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)
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Create Tables Create a table and specify the –Field Name –Type –Width –Index
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Viewing and Editing Browse –Edit/change content –Filter –Order –Selected fields
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Modify data in a table Edit Append Delete (logically) –and remove(physically) –scope
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Table Structure Modify table structure –Field name –Field type –Field width –Insert field –Delete field
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Query Query wizard –Create query –Select table –Select fields –Filter records –Sort records –Limit records –Save query SQL (Structured Query Language)
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Report Create report/labels – wizard Select fields Select style Select layout Sort records Save Run report
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