Interview Questions

Q:

What is the difference between OLE Server & OLE Container?

Answer

An OLE server application creates ole Objects that are embedded or linked in OLE Containers ex. OLE servers are ms_word & ms_excel. OLE containers provide a place to store, display and manipulate objects that are created by ole server applications. Ex. oracle forms is an example of an OLE Container.

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Q:

What is the DataContext class and how is it related to LINQ?

Answer

After you add a LINQ to SQL Classes item to a project and open the O/R Designer, the empty design surface represents an empty DataContext class ready to be configured. The DataContext class is a LINQ to SQL class that acts as a conduit between a SQL Server database and the LINQ to SQL entity classes mapped to that database. This class contains the connection string information and the methods for connecting to a database and manipulating the data in the database. It is configured with connection information provided by the first item that is dragged onto the design surface.

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Subject: .NET

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Q:

What is DBRM? What it contains? When it will be created?

Answer

- DBRM stands for Database Request Module


- The output of pre-compile process is represented as DBRM


- The SQL statements are extracted from the host language by the pre-compiler

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Q:

Is the JDBC-ODBC Bridge multi-threaded ?

Answer

No. The JDBC-ODBC Bridge does not support multi threading. The JDBC-ODBC Bridge uses synchronized methods to serialize all of the calls that it makes to ODBC. Multi-threaded Java programs may use the Bridge, but they won't get the advantages of multi-threading.

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Subject: Java

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Q:

What do you mean by undeclared and undefined variables ?

Answer

Difference between undeclared and undefined variables is defined as


Undeclared variables are those that do not exist in a program and are not declared. If the program tries to read the value of an undeclared variable, then a runtime error is encountered.


Undefined variables are those that are declared in the program but have not been given any value. If the program tries to read the value of an undefined variable, an undefined value is returned.

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Q:

What are payroll inputs? Does it changes from company to company?

Answer

Payroll input includes: Monthly,Qtrly,Yearly payments,adjustements, recoveries etc.
Inputs can be received either from HR or finance or both.

Current month New joinees, resignees recovery's etc.

Yes, inputs changes company to company

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Q:

What is pro forma ?

Answer

A pro forma invoice is a price quote and subject to change. Accounts Payable Services does not pay from pro forma invoices, statements, quotes or estimates.

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Subject: Accounts Payable Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

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Q:

Which of the following is not used for commenting in java?

A) // B) /* */
C) /** */ D) /** **/
 
Answer & Explanation Answer: D) /** **/

Explanation:
  • //               is a single line comment
  • /*  */          is commenting on one or more lines
  • /** */         is documentation comment
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Filed Under: Java

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