Question 1

What items are important in every Android project?

Accepted Answer

These are the essential items that are present each time an Android project is created: - AndroidManifestxml - buildxml - bin/ - src/ - res/ - assets/

Question 2

State the difference between View and Materialized View ?

Accepted Answer

The main differenc between View and Materialized View states that - 1 View means it stores the SQL statement in the database and let you use it as a table Everytime you access the view, the SQL statement executes 2 Materialized view means it stores the results of the SQL in table form in the database SQL statement only executes once and after that everytime you run the query, the stored result set is used Advantage include quick query results

Question 3

What does BUS Schema means ?

Accepted Answer

BUS Schema is composed of a master suite of confirmed dimension and standardized definition if facts

Question 4

Define "Correlated Subqueries" ?

Accepted Answer

In a SQL Database, a 'correlated subquery' is a kind of sub query yet connected subquery is dependent on another query for a value that is returned In case of execution, the sub query is executed first and afterwards the correlated query will be executed

Question 5

What is the difference between Listview and Treeview?

Accepted Answer

Tree view control is designed to display data that is hierarchical in nature, such as organization trees, the entries in an index, the files, directories on a disk It is often used in conjuction with the List view control, which is used to display the contents of the folder selected in the tree view List view control displays data as listitem objects The control excels at representing subsets of data or discrete objectsThe list view property is often used in association with a tree view control

Question 6

What is the difference between dao,rdo and ado explain simply ?

Accepted Answer

DAO (Data access object ) is used for accessing data before ado it was used for database installed on same sys where the application resides RDO (Remote data object ) is used for accessing remote data ADO (Active data object ) most powerful till date it is nothing but combination of both DAO and RDO

Question 7

What is SQL*Plus? Explain its features

Accepted Answer

SQL*plus allows SQL and PL/SQL scripts to interactively run in command line It allows three kinds of commands to run; SQL, PL/SQL and SQL * Plus commands It’s most commonly used by DBA’s to interact with the oracle database

Question 8

Can you give few examples of final classes defined in Java API?

Accepted Answer

javalangString, javalangMath are final classes

Question 9

Which containers use a border Layout as their default layout ?

Accepted Answer

The window, Frame and Dialog classes use a border layout as their default layout

Question 10

void waitForSignal() { Object obj = new Object(); synchronized (Thread.currentThread()) { obj.wait(); obj.notify(); } } Which statement is true?

Accepted Answer

It will throw IllegalMonitorStateException.

Question 11

Which of these class have only one field 'TYPE' ?

Accepted Answer

The Void class has one field, TYPE, which holds a reference to the Class object for the type void.

Question 12

Which of the following attribute can hold the JavaScript version?

Accepted Answer

Language attribute contains the javascript versions.

Question 13

Which JSON framework is supported by iOS?

Accepted Answer

SBJson framework is supported by iOS It is a JSON parser and generator for Objective-C SBJson provides flexible APIs and additional control that makes JSON handling easier

Question 14

What is the security aspects provided with cloud?

Accepted Answer

Security is one of the major aspects which come with any application and service used by the user Companies or organizations remain much more concerned with the security provided with the cloud There are many levels of security which has to be provided within cloud environment such as: • Identity management: it authorizes the application service or hardware component to be used by authorized users • Access control: permissions has to be provided to the users so that they can control the access of other users who are entering the in the cloud environment • Authorization and authentication: provision should be made to allow the authorized and authenticated people only to access and change the applications and data

Question 15

find all Employee records containing the word "Joe", regardless of whether it was stored as JOE, Joe, or joe.

Accepted Answer

SELECT * from Employees WHERE upper(EmpName) like upper('joe%');

Question 16

What are the difference between call screen and leave screen?

Accepted Answer

Call Screen: Calling a single screen is a special case of embedding a screen sequence If you want to prevent the called screen from covering the current screen completely, you can use the CALL SCREEN statement with the STARTING AT and ENDING AT CALL SCREEN 1000 CALL SCREEN 1000 STARTING AT 10 10 ENDING AT 20 20 LEAVE SCREEN statement ends the current screen and calls the subsequent screen LEAVE SCREEN LEAVE TO SCREEN 2000

Question 17

How do we create a DHTML drop-down menu?

Accepted Answer

- In order to create a DHTML drop down menu we need JavaScript API The API (Application Programming Interface) consists of core set of cross-browser JavaScript functions to make DHTML programming easy and quick This API enables moving and hiding page elements as well as acts as getter and setter of page elements attributes - Second we define on image object and off image object and string containing the URL of the "off" version - Then we create the menu items, label items and sub-menu items If we wish we can use images also - Then we need to define our own global variables that will be used by the menu Using global goes against oops design but makes sharing data easier - Create the menubar object, adding the menu labels and writing menubars - Create menu object, adding menu items and writing menus - Hiding and displaying the menus and attaching stylesheet

Question 18

Which tag is used to display the numbered list? 1) 2) 3) 4)

Accepted Answer

Use HTML tag

element to define a list item. Use the HTML
element to define a description list. Hence, as numbered list come under ordered list tag

Question 19

In HTML document the tags are

Accepted Answer

Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications. HTML tags are the hidden keywords within a web page that define how your web browser must format and display the content. Most tags must have two parts, an opening and a closing part. For example, is the opening tag and is the closing tag.

Question 20

Which of the following is a properly defined structure?

Accepted Answer

The a_struct is declared as structure name and its data element is a.

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