Interview Questions

Q:

What is PHP?

Answer

PHP: Hypertext Preprocessor is open source server-side scripting language that is widely used for web development. PHP scripts are executed on the server. PHP allows writing dynamically generated web pages efficiently and quickly. The syntax is mostly borrowed from C, Java and perl. PHP is free to download and use.


 

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Subject: PHP

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Q:

Data structure suitable for an application discussed in?

A) procedural design B) architectural design
C) data design D) interface design
 
Answer & Explanation Answer: C) data design

Explanation:
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Q:

What is CICS?

Answer

Customer Information Control System (CICS) is an online transaction processing monitor from IBM that acts as an interface between the operating system and application programs to provide rapid high-volume online transaction processing.

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Q:

How does DB2 use multiple table indexes?

Answer

DB2 use the multiple indexes to satisfy multiple predicates in a SELECT statement that are joined by an AND or OR.

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Q:

What is the return type of the main() method?

Answer Main() method doesn't return anything hence declared void.
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Subject: Java

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Q:

How do you handle errors in CICS programs?

Answer

Check EIBRESP after the call or use the HANDLE condition.


 

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Q:

What do you accomplish by GROUP BY ... HAVING clause?

Answer

GROUP BY partitions the selected rows on the distinct values of the column on which you group by. HAVING selects GROUPs which match the criteria specified

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Q:

What are the three levels of definition for the VSAM DEFINE?

Answer

They are DEFINE CLUSTER, DATA and INDEX.

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