Quick Revision

GK One-Line Question & Answer

15541+ short questions with short answers, covering every category and sub-category on the site — no long articles to scroll through. Good for a fast recap before an exam, or a few minutes of daily practice.

DBMS → Database Security 3

This extra information is usually maintained in the form of a                    at the client.
cookie
click to copy
What are the portability concerns founded in Seeheim model?
replacing the presentation & application toolkit
click to copy
                   is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.
cross-site request forgery
click to copy

DBMS → PL/SQL 3

Which of the following is not true about HTML ?
<meta…./>
click to copy
Which schema object instructs Oracle to connect to a remotely access an object of a database?
data link
click to copy
A single                              further allows the user to be authenticated once, and multiple applications can then verify the user’s identity through an authentication service without requiring reauthentication.
sign-on system
click to copy

DBMS → Introduction to DBMS 3

Html code contains:
all of the mentioned
click to copy
DML changes are
both insert and update
click to copy
The                                        is a standard for exchanging authentication and authorization information between different security domains, to provide cross- organization single sign-on.
security assertion markup language (saml)
click to copy

DBMS → Database Architecture 3

Html document must always be saved with:
both .html & .htm
click to copy
Which of the following object types below cannot be replicated?
sequence
click to copy
                               allows a system administrator to associate a function with a relation; the function returns a predicate that must be added to any query that uses the relation.
virtual private database (vpd)
click to copy

DBMS → Data Models 2

How many levels of headings are in html:
6
click to copy
How to force a log switch?
by using alter system switch logfile
click to copy

DBMS → ER Model 2

The Java                      specification defines an application programming interface for communication between the Web server and the application program.
servlet
click to copy
The ORDER BY clause can only be used in
select queries
click to copy

DBMS → Relational Model 2

How many JDBC driver types does Sun define?
four
click to copy
Which of the following rule below are categories of an index?
column and functional
click to copy

DBMS → Normalization 2

Which JDBC driver Type(s) can be used in either applet or servlet code?
both type 3 and type 4
click to copy
Which of the following queries are legal?
select deptno, avg(sal) from emp group by deptno;
click to copy

DBMS → Functional Dependency 2

A JSP is transformed into a(n):
java servlet
click to copy
Which of the following queries displays the sum of all employee salaries for those employees not making commission, for each job, including only those sums greater than 2500?
select job, sum(sal) from emp where comm is null group by job having sum(sal) > 2500;
click to copy

DBMS → SQL Basics 2

What is bytecode?
machine-independent code
click to copy
Which of the following data structure is not linear data structure?
none of the mentioned
click to copy

DBMS → DDL Commands 2

Which of the following is true for Seeheim model?
presentation is abstracted from dialogue and application
click to copy
Which of the following data structure is linear data structure?
arrays
click to copy

DBMS → DML Commands 2

Which of the unit operation is used in Model view controller?
part whole decomposition
click to copy
The operation of processing each element in the list is known as
traversal
click to copy

DBMS → Joins 2

Memory address refers to the successive memory words and the machine is called as
word addressable
click to copy
Finding the location of the element with a given value is:
search
click to copy

DBMS → Views 2

The                            layer, which provides a high-level view of data and actions on data.
business logic
click to copy
Arrays are best data structures
for relatively permanent collections of data
click to copy

DBMS → Indexes 2

The                              layer, which provides the interface between the business-logic layer and the underlying database.
data access
click to copy
Linked lists are best suited
for the size of the structure and the data in the structure are constantly changing
click to copy

DBMS → Transactions 2

The                            system is widely used for mapping from Java objects to relations.
hibernate
click to copy
Each array declaration need not give, implicitly or explicitly, the information about
the first data from the set to be stored
click to copy

DBMS → Concurrency Control 2

Which among the following are the functions that any system with a user interface must provide?
presentation
click to copy
In                                    attacks, the attacker manages to get an application to execute an SQL query created by the attacker.
sql injection
click to copy

DBMS → Deadlock 2

Which of the following is the main task accomplished by the user?
all of the mentioned
click to copy
A Web site that allows users to enter text, such as a comment or a name, and then stores it and later display it to other users, is potentially vulnerable to a kind of attack called a                                        attack.
cross-site scripting
click to copy