[Rasha14]

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Database

1. The realation will be in 3NF if:
a. The relation is in 1NF and 2NF, and non-prime attributes are transitive depend on primary key.
b. The relation is in 1NF and 2NF, and non-prime attributes are fully functionally depend on primary key
c. The attributes are multivalued
d. Non of the above

2. Query and question about the resulted tuple

3. The best database model:
A. Relational database.
B. Object-oriented database
4. In ER model , the weak entity is:
a. Entity has partial key and other attribuites.
b. Entity has complex attributes.


Data Structures


1. which of the following consider linear data structure:
a. map B. graph c. array D. none of the above
2. the array used when:
a. the data and the size of data are permenant.
b. the data and the size of data are contantly change.
c. A and B.
d. None of the above
3. The linked list used when:
a. the data and the size of data are permenant.
b. the data and the size of data are contantly change.
c. A and B.
d. None of the above.
4. The function that call itself:
a. Recursion



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