Technology Questions

Q:

What is SQL Server Agent?

Answer

SQL Server agent plays an important role in the day-to-day tasks of a database administrator (DBA). Its purpose is to ease the implementation of tasks for the DBA, with its full- function scheduling engine, which allows you to schedule your own jobs and scripts.

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Subject: SQL

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Q:

Describe how SAP handles Memory Management?

Answer

ST02 / ST03 In general via table buffers, you could go into the whole Work Process, roll in, roll out, heap (private) memory, etc. However just as a Unix or DBA admin would know, is you look this up when needed for the exact specifics.

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Subject: SAP

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Q:

What do you mean by Redo Log file mirroring ?

Answer

-  The process of having a copy of redo log files is called mirroring.
-  It is done by creating group of log files together. This ensures that LGWR automatically writes them to all the members of the current on-line redo log group.
-  In case a group fails, the database automatically switches over to the next group. It diminishes the performance.

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Subject: Oracle

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Q:

Which among the following validators checks if entered data matches a specific format

A) Compare validator B) RegularExpressionValidator
C) CustomValidator D) None
 
Answer & Explanation Answer: B) RegularExpressionValidator

Explanation:

RegularExpressionValidator checks if entered data matches a specific format

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Filed Under: .NET
Job Role: Software Architect

0 2743
Q:

Describe the Basic Steps used to create a tiles application in DHTML.

Answer

- Create a template that designs a layout for your application.


- Create the composing pages.


- Create a definition which means that suppose that you configured Tiles, in web.xml, to startup using the TilesServlet, we need to specify which files will contain the Tiles definitions to load.


- Render the definition.

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Subject: Web Technology

2 2742
Q:

Describe the foreign key columns in fact table and dimension table.

Answer

The primary keys of entity tables are the foreign keys of dimension tables.


The Primary keys of fact dimensional table are the foreign keys of fact tablels.

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Q:

How do you define a sort file in JCL that runs the COBOL program?

Answer

Use the SORTWK01, SORTWK02,..... dd names in the step. Number of sort datasets depends on the volume of data being sorted, but a minimum of 3 is required.

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Q:

Explain Check constraint.

Answer

Oracle check constraint is used to ensure that before inserting the data in the database, it is validated and checked for the condition.
Example:
Below, the constraint is that the id has to be between 0 and 1000.
create table employee ( id number check (id between 0 and 1000), Name varchar(200) );

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Subject: Oracle

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