Operating System

Monday, July 13, 2015

Which of the following do you need to consider when you make a table in SQL?

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Which of the following do you need to consider when you make a table in SQL?
Data types 
Default values 
Primary keys 
All of the listed options 
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Which command undo all the updates performed by the SQL in the transaction?

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Which command undo all the updates performed by the SQL in the transaction?
COMMIT
ROLLBACK 
DELETE
TRUNCATE
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What will be output if you will compile and execute the following c code?

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What will be output if you will compile and execute the following c code?
void main(){
char c=125;
c=c+10;
printf("%d",c);
}
2
0
-121
1
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We cannot modify the code in base class as it will affect the derived classes as well.State true or false.

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We cannot modify the code in base class as it will affect the derived classes as well.State true or false.
TRUE
FALSE
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If the subclass does not define all the inherited abstract methods, then the sub class must be ________________.

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If the subclass does not define all the inherited abstract methods, then the sub class must be ________________.
Abstract 
None of the listed options 
Complete 
Partially abstract 
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We cannot modify the code in derived class as it will affect the base class.State true or false.

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We cannot modify the code in derived class as it will affect the base class.State true or false.
TRUE
FALSE
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In which of the following inheritance types. the derived class has only one base class?

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In which of the following inheritance types. the derived class has only one base class?
Multiple 
Both of the listed options 
Single 
None of the listed options 
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