ER model, Database Management System

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coventions for displaying an ER schema as ER diagram

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Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.

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Define what Immediate database modification technique uses?  Ans: Both undo and redo.

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Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod

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A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh

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Should I select imaging software that allows changes? An imaging system should not give features to edit or alter images. Images generally are formed as safe and secure records

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With the help of an example display how records can be deleted and updated in QBE. (i) Increase Pay_Rate of employees along with the skill of ‘cook' by 10%. (ii) Delete employee

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A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als

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