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Define instance and schema?
Instance: Collection of data stored in the data base at a certain moment is
Schema: The overall design of the data base is known as the data base schema.
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
What is Information System?
Explain the concept of a data model ? Data Model - Model is an abstraction procedure which hides irrelevant details although highlighting details relevant to the application
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown
Explain three main attributes of data.
random file orgnization
Which method is used to key transformation ? A hash method is used to key transformation.
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