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Q:

Name any three PL/SQL exceptions?

Answer

Too_many_rows.


No_Data_Found.


Zero_Error.


 

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Subject: SQL

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Q:

What is DriverManager ?

Answer

DriverManager is a class in java.sql package. It is the basic service for managing a set of JDBC drivers.

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Subject: Java

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Q:

Differentiate different types of Doctypes from one another.

Answer

Doctype helps the web browser to correctly render the web pages. There are different types of Doctype that are available and they are as follows:


=> Strict Doctype: it consists of all the HTML elements and it is also known as DTD (Document type definition) but it doesn't include the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also not allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"


"https://www.w3.org/TR/html4/strict.dtd">


=> Transitional Doctype: it consists of all the HTML elements and attributes. It is also known as DTD (Document type definition). It includes the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also not allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"


"https://www.w3.org/TR/html4/loose.dtd">


=> Frameset Doctype: it consists of all the HTML elements and attributes. It is also known as DTD (Document type definition). It includes the presentational and deprecated elements i.e. font, center, etc. Framesets related elements are also allowed in this. For example:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"


"https://www.w3.org/TR/html4/frameset.dtd">

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Subject: Web Technology

0 2227
Q:

What is the self-referencing constraint?

Answer

A31. The self-referencing constraint limits in a single table the changes to a primary key that the related foreign key defines. The foreign key in a self referencing table must specify the DELETE CASCADE rule.

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Subject: Mainframe Interview

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Q:

Explain marquee tag.

Answer

Marquee tag: Marquee tag is used when we want that some text or content move in the web page whether horizontally or vertically. 


Syntax of Marquee tag: <marquee>content you want to move</marquee>


Attribute of Marquee tag are: bgcolor, direction, height, width, vspace etc.

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Subject: Web Technology

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Q:

Why many companies are switching their current business language to PHP? Where PHP basically used?

Answer

PHP is rapidly gaining the popularity and many companies are switching their current language for this language. PHP is a server side scripting language. PHP executes the instructions on the server itself. Server is a computer where the web site is located. PHP is used to create dynamic pages and provides faster execution of the instructions.

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Subject: PHP

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Q:

________ intended to address issues such as bugs and errors within existing software.

A) Fix B) BugFix
C) CodeFix D) HotFix
 
Answer & Explanation Answer: D) HotFix

Explanation:
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Filed Under: Cloud Computing
Job Role: Analyst , IT Trainer

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Q:

What is the SimpleTimeZone class?

Answer

SimpleTimeZone is a concrete subclass of TimeZone class. The TimeZone class represents a time zone, that is to be used with Gregorian calendar.


The SimpleTimeZone is created by using the base time zone offset from GMT time zone ID and rules, for starting and ending the time of daylight.

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Subject: Java

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