Interview Questions

Q:

What is the meaning of Copy IDMS Subschema-Binds?

Answer

It generates a bind run-unit and binds all the records for the sub-schema the program is referencing.

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Q:

What does a special set of tags do in PHP?

Answer The output is displayed directly to the browser.
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Subject: PHP

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Q:

Why SELECT * is not preferred in embedded SQL programs?

Answer

- If the table structure is changed ( a field is added ), the program will have to be modified.


- Program might retrieve the columns which it might not use, leading on I/O over head.


- The chance of an index only scan is lost.

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Q:

What is templates in AngularJS?

Answer

Templates are the rendered view with information from the controller and model. These can be a single file like index.html or multiple views in one page using "partials".

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Subject: Web Technology

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Q:

Which is best for coding the standard libary for c++?

A) no trailing underscores on names B) complex objects are returned by value
C) have a member-swap() D) All of the mentioned
 
Answer & Explanation Answer: D) All of the mentioned

Explanation:
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Filed Under: C++

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Q:

Name and explain the type of locks?

Answer

There are three types of lock, namely:


Shared – This type of lock permits two or more programs to read from the locked space but does not allow them to change it.


Update – This lock is more lenient. It permits the program to read and change the locked space.


Exclusive – This lock restricts all users from accessing the locked space.

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Q:

Explain i) Rename ii) Alias.

Answer

- Rename : It is a permanent name provided to a table or column.
- Alias : It is a temporary name provided to a table or column which gets over after the execution of SQL statement.

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Subject: Oracle

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Q:

What does destination scan mean?

A) The shipment has arrived at a UPS facility. B) The shipment has departed a UPS facility and is on its way to the next UPS facility.
C) The shipment has arrived at the local UPS facility responsible for final delivery. D) UPS has received the shipment.
 
Answer & Explanation Answer: C) The shipment has arrived at the local UPS facility responsible for final delivery.

Explanation:

Shipment movement information is captured each time a tracking label is scanned in the UPS delivery system. There may be several days between scans if the shipment is going cross-country or moving between countries.

 

Destination Scan: The shipment has arrived at the local UPS facility responsible for final delivery.

Arrival Scan: The shipment has arrived at a UPS facility.

Departure Scan: The shipment has departed a UPS facility and is on its way to the next UPS facility.

Origin Scan: UPS has received the shipment.

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Filed Under: Marketing and Sales

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