ISMT - What does a Database do? A DBMS (DataBase Management...

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110 What does a “Database” do? A DBMS ( D ata B ase M anagement S ystem) allows the user to store data and retrieve information in a powerful easy-to-use manner Data is entered into the database from – keyboard – output from other applications – existing files/databases The user can use the DBMS to query (e.g., find data with certain characteristics) the database for specific information and can create output in the form of reports The data is processed into information by the DBMS based on the queries created by the user; the user is insulated from the physical location and attributes of the data physical data DBMS user ? report
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Main Functions of a DBMS Store data Manage database security Manage access of multiple users to the database Manage database backup and recovery Ensure data integrity Provide an end-user interface with the database; displays and reports Provide or interface with a query language to extract information from the database
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This note was uploaded on 12/07/2009 for the course MGMT E-110 taught by Professor Koltz during the Summer '09 term at Harvard.

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ISMT - What does a Database do? A DBMS (DataBase Management...

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