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All posts related to Computers

Abhishek Tamrakar
Shared from Linux and Shell Programming on Jul 29, 2016 11:06 PM
Show common data

What will be the output of the above code?

 
Compilation error
x
3
5
y
Please type your answer before submitting.

The code did not end if statement correctly, after teh last echo no semicolon and then fi. compilation error would occur

Abhishek Tamrakar
Shared from Linux and Shell Programming on Jul 29, 2016 11:04 PM

Which of the following statements is false regarding user defined variables (UDV)?

 
The name of a variable can start with an underscore.
Variable names are case sensitive.
Variable names must be unique.
Variable declaration must start with the $ sign.
Variable names can contain '?'.
Please type your answer before submitting.

In shell scripting to declare a variable $ is not added as prefix. this is wrong question having 2 answers. I can prove this. The author must be confused with perl or python.

Shaik Javeed
Shared from Programming in PL on Jun 24, 2014 5:02 PM

Which of the following statements is FALSE about `Implicit Cursors`?

 
Oracle performs the open, fetches, and close for you automatically.
It is less efficient than an explicit cursor.
It is less vulnerable to data errors.
It gives you less programmatic control.
Please type your answer before submitting.

The explanation shows that d is the correct answer

Subrat
Shared from Programming in PL on Jan 20, 2014 11:27 PM

How many sections or parts are there in a PL/SQL program?

 
1
2
3
4
Please type your answer before submitting.

There are 4 sections not 3 i.e declare,begin,exception,and end .out of those two are mandotary and two are optional......

Ramesh
Shared from Programming in PL on Jun 14, 2013 3:35 PM

Which of the following statements is FALSE regarding variable names?

 
Variable names must start with a letter.
Variable names cannot contain a `$` sign.
Variable names cannot contain spaces.
Variable name should be a maximum of 30 characters in length.
Please type your answer before submitting.

Hi