Interview Questions

Q:

How to declare select-option as a parameter?

Answer


SELECT-OPTIONS: specify or displayed on the selection screen for the user to enter values.




Parameters    : dname like dept-dname.
Select-options: dname for dept-dname.


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Subject: ABAP

3 4052
Q:

What is the scope resolution operator?

Answer

Scope resolution operator allows a program to reference an identifier in the global scope that is hidden by another identifier with the same name in the local scope.

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Subject: C++

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Q:

Where does the exceptions are used?

A) Exceptions are used when postconditions of a function cannot be satisfied. B) Exceptions are used when postconditions of a function can be satisfied.
C) To preserve the program D) none of these
 
Answer & Explanation Answer: B) Exceptions are used when postconditions of a function can be satisfied.

Explanation:
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Filed Under: C++

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Q:

How is 3G different from 2G?

Answer

- Packet data speed is higher in 3G, and it is up to 384 KBPS
- Voice and sms speed is also 384 KBPS in 3G
- 2G utilizes different switching techniques for voice and data, where as  3G uses single switching, irrespective of data
- 3G has at least 2MB of data link of a mobile, where in 2G the data rate is in KBPS
- 3G has WiMAX facility for faster VOIP and internet
- 2G uses GSM TDMA technology with narrowband 200Khz.
- 3G uses CDMA technology with broadband 5Mhz, with same frequency carrier and time.

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Q:

Explain Row level and statement level trigger.

Answer

Row Level Trigger :
Row Level Trigger is fired each time row is affected by Insert, Update or Delete command. If statement doesn’t affect any row, no trigger action happens.

Statement Level Trigger :
This kind of trigger fires when a SQL statement affects the rows of the table. The trigger activates and performs its activity irrespective of number of rows affected due to SQL statement.

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Subject: Oracle

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Q:

What are type safe function pointers?

A) Delegates B) Break points
C) Both A and B D) None
 
Answer & Explanation Answer: A) Delegates

Explanation:

A delegate declares a ref type that references a named of anonymous method. Delegates are secure and type-safe.

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Filed Under: .NET

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Q:

During processing of a VSAM file, some system error occurs and it is subsequently unusable What do you do?

Answer

Run VERIFY.

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Q:

What is SLR rate?

Answer

SLR Rate is the minimum amount or percentage of the deposits that a bank has to keep with the RBI in the form of money,gold or any other approved security. In simple terms it is the ratio between cash and some approved security.

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Subject: Bank Interview

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