IT Assignmnet, Database Management System

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What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The

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State the Object Design for Processing  The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i

Insert into command, INSERT INTO command : Values can be inserted fo...

INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution

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What is inheritance? Inheritance is an object orientation concept that allows reusability of code / design. Basic sense of inheritance is that if one class is predefined than a

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assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture

The advantages of a database management system, The advantages of a databas...

The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.

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Explain the EXISTS and UNIQUE functions of SQL. Give an example for each? EXISTS: The EXISTS function takes one parameter that is a SQL statement. If any records exist which

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A field-groups statement or an insert statement reverses storage space and transfers values. False.

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