Technology Questions

Q:

What is the difference between Cursor Stability and Repeatable Read isolation levels?

Answer

CURSOR STABILITY:


- CS is a row level locking


- Acquires an exclusive lock on the row that is to be updated


- When the control is moved to the next updatable row, the lock is released


REPEATABLE READ:


- RR is a page level locking


- Acquires an exclusive lock on the entire page which is the source of row availability


- When the control is moved to the next updatable page the lock is released

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Q:

Cache events are processed when ever the Postback events occurs

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Cache events are processed only when the Postback events occur

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Subject: .NET
Job Role: Software Architect

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Q:

How are documents accessed and manipulated in XML?

Answer

The XML DOM (document object model) is used the access and management of xml. It is a platform that is language neutral and allows a program or a script to dynamically access a document. It also allows the updation of content as well as the structure and style of the document. It is responsible for the defining of the object and properties of all xml elements as well as to define the methods for their access. There are various methods that can be used in xml dom such as:


- getElementsByTagName: used to call a specific user defined tag.


- setAttribute: used to change the value of an existing attribute.


- appendChild: used to add a child node to another node.


 

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Subject: Web Technology

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Q:

Explain the different types of errors in PHP.

Answer

Notices, Warnings and Fatal errors are the types of errors in PHP


Notices: 


Notices represents non-critical errors, i.e. accessing a variable that has not yet been defined. By default, such errors are not displayed to the user at all but whenever required, you can change this default behavior.


Warnings: 


Warnings are more serious errors but they do not result in script termination. i.e calling include() a file which does not exist. By default, these errors are displayed to the user.


Fatal errors: 


Fatal errors are critical errors i.e. calling a non-existent function or class. These errors cause the immediate termination of the script.

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Subject: PHP

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Q:

What are the core directives of AngularJS?

Answer

Following are the 3 core directives of AngularJS.



  1. ng-app : This directive defines and links an AngularJS application to HTML.

  2. ng-model : This directive binds the values of AngularJS application data to HTML input controls.

  3. ng-bind : This directive binds the AngularJS Application data to HTML tags.

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Subject: Web Technology

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Q:

What is Cascade and Drill Through? What is the difference between them?

Answer

Cascade:


- Cascade process involves taking values from various other prompts.


- The result is a single report.


- The result is used when a criteria is to be implemented.


 


Drill Through:


- Drill Through process is implemented when navigation from summary to detailed information.


- Drill Through has a parent and a child report.


- Data of another report can be seen based on the current details of data.

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Q:

Why static method can not call non static method of the same class?

Answer

bcoz the static method does not contains the 'this' reference.

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Subject: Java

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Q:

What is a prompt box?

Answer

A prompt box allows the user to enter input by providing a text box.

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Subject: Web Technology

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