Interview Questions

Q:

How does IDMS communicate with CICS?

Answer

They communicate via service MVS request calls.

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Q:

What is mesh network?

Answer

A network in which there are multiple network links between computers to provide multiple paths for data to travel.

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Subject: Network Administration
Job Role: IT Trainer

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Q:

Explain some of the commonly used Predefined PL/SQL Exceptions.

Answer

1)Divide by zero        – This is raised when any number is attempted to divide by zero.


2)TOO MANY ROWS   - A SELECT INTO statement returns more than one row.


3)CASE_NOT_FOUND - No choice in the WHEN clause of a case statement is selected.


4)LOGIN_DENIED      - An attempt to login with an invalid username or password.


5)PROGRAM_ERROR  - An internal PL/SQL problem.

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Subject: Oracle

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Q:

Is there a application program coding difference between local and central version mode in IDMS?

Answer

No. The mode is specified via the SYSCTL DD card in the JCL.

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Q:

Difference between a query and a statement in SQL?

Answer

An SQL statement is a string of characters that conforms to the syntax and format specified in the international standard.


A query is a statement that returns a record-set.

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Subject: SQL

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Q:

Which of the following is not the other name of attriibute?

A) Data member B) Instance variable
C) instance D) Data filed
 
Answer & Explanation Answer: C) instance

Explanation:

Instance is an object not an attribute

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Filed Under: Java

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Q:

What is inheritance?

Answer

Inheritance is the ability to create new classes based on existing classes. It is useful to reuse existing code.

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Q:

How can visual basic be used for server side scripting?

Answer

Visual basic can be used for server side scripting. A component designed with Visual basic will not have any user interface instead provides the functionality of Active X to other programs via COM. This form of technique allows server side functionality and add in module.

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