Database Management System (DBMS) Questions and Answers
1. The level of data abstraction which describes how the data is actually stored is?
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2. The level of abstraction describes only part of the entire database is called?
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3. Object based data models are used in describing the abstraction of the following levels?
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4.
An association of several structure of a data base can be expressed graphically by?
An association of several structure of a data base can be expressed graphically by?
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5.
The overall logical structure of data base can be expressed graphically by?
The overall logical structure of data base can be expressed graphically by?
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6.
In an object oriented model, one object can access data of another object by passing?
In an object oriented model, one object can access data of another object by passing?
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7.
The collection of information stored in a database at a particular moment is?
The collection of information stored in a database at a particular moment is?
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8.
The overall design of a database is called?
The overall design of a database is called?
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9. The ________ states that a foreign key must either match a primary key value in another relation or it must be null.
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10. Three SQL, DDL, CREATE commands are ________ .
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Abdul Haseeb Shershahabadi 4 months ago Reply
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Saif Qahtan 9 months ago Reply
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Vadivel 11 months ago Reply
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Gulummaa Kitaabaa Rabbiif 1 year ago Reply
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sathish 4 years ago Reply
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sunila 4 years ago Reply
8th question answer is schema, not scheme.please correct it.
Bless Eshun 4 years ago Reply
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SAURAV KUMAR MAJI 5 years ago Reply
thanks..................gd collection
Arshad Khan 5 years ago Reply
Thank for creating such informative site. Kindly add more questions.
Thanks.