Computer/Current affairs mcq Database management Sample Test,Sample questions

Question:
A data dictionary is a repository that manages _____

1.Memory

2.Metadata

3.Spell Checker

4.Data Validator

Posted Date:-2021-08-04 01:35:32


Question:
A database language used for defining the whole databasestructureand schema is called :

1.DCL

2.DML

3.DDL

4.All Of Above

Posted Date:-2021-08-04 01:35:32


Question:
DCL provides commands to performactionslike

1.Change thestructureof Tables

2.Insert, Update or Delete Records and Values

3.Authorizing Access and othercontrolover Database

4.None of Above

Posted Date:-2021-08-04 01:35:32


Question:
If we want define style for an unique element, then which css selector will we use ?

1.Id

2.text

3.class

4.name

Posted Date:-2021-08-04 01:35:32


Question:
If we want to show an Arrow as cursor, then which value we will use ?

1.pointer

2.default

3.arrow

4.arr

Posted Date:-2021-08-04 01:35:32


Question:
If we want to use a nice looking green dotted border around an image, which css property will we use?

1.border-color

2.border-decoration

3.border-style

4.border-line

Posted Date:-2021-08-04 01:35:32


Question:
If we want to wrap a block of text around an image, which css property will we use ?

1.wrap

2.push

3.float

4.align

Posted Date:-2021-08-04 01:35:32


Question:
In a database Table, the each category of information Is called __________

1.Tuple

2.Field

3.Record

4.All Of Above

Posted Date:-2021-08-04 01:35:32


Question:
In which state one gathers and list all the necessary fields for the database design project.

1.Data Definition

2.Data Refinement

3.Establishing Relationship

4.None Of The Above

Posted Date:-2021-08-04 01:35:32


Question:
It is used to establish an association between related tables.

1.Line

2.Relationship

3.Primary Key

4.Records

Posted Date:-2021-08-04 01:35:32


Question:
Suppose we want to arragnge five nos. of DIVs so that DIV4 is placed above DIV1. Now, which css property will we use to control the order of stack?

1.d-index

2.s-index

3.x-index

4.z-index

Posted Date:-2021-08-04 01:35:32


Question:
The command used to delete a particular column in a relation is ____________

1.UPDATE TABLE

2.TRUNCATE COLUMN

3.ALTER , DROP

4.DELETE COLUMN

Posted Date:-2021-08-04 01:35:32


Question:
The COUNT function in SQL returns the number of ______________

1.Values

2.Distinct values

3.Group By

4.Columns

Posted Date:-2021-08-04 01:35:32


Question:
The database language that allows us to access data in a database is called :

1.DCL

2.DML

3.DDL

4.None Of Above

Posted Date:-2021-08-04 01:35:32


Question:
The overall description of a database is called______.

1.Data integrity

2.Data manipulation

3.Database schema

4.Data definition

Posted Date:-2021-08-04 01:35:32


Question:
The SQL used by front-end application programs to request data from the DBMS is called _______

1.DML

2.DDL

3.VDL

4.SDL

Posted Date:-2021-08-04 01:35:32


Question:
The third stage of designing a database is when we create___________ between tables

1.Relationship

2.Join

3.Query

4.None of These

Posted Date:-2021-08-04 01:35:32


Question:
This key that uniquely identifies each record is called :

1.Primary Key

2.Key Record

3.Unique Key

4.Field Name

Posted Date:-2021-08-04 01:35:32


Question:
Two tables can be linked with relationship to _____

1.Ensure data entry

2.Ensure data integrity

3.Create Primary Key

4.Ensure Foreign Key

Posted Date:-2021-08-04 01:35:32


Question:
What are the different view to present a Table ?

1.Datasheet View

2.Design View

3.Pivote TableView

4.All Of Above

Posted Date:-2021-08-04 01:35:32


Question:
What do you mean by one to many relationship between Teacher and Class table?

1.One class may have many teachers

2.One teacher can have many classes

3.Many classes may have many teachers

4.Many teachers may have many classes

Posted Date:-2021-08-04 01:35:32


Question:
What do you mean by one to many relationship between Teacher and Class table?

1.One class may have many teachers

2.One teacher can have many classes

3.Many classes may have many teachers

4.Many teachers may have many classes

Posted Date:-2021-08-04 01:35:32


Question:
What is the full form of DDL ?

1.Dynamic Data Language

2.Detailed Data Language

3.Data Definition Language

4.Data Derivation Language

Posted Date:-2021-08-04 01:35:32


Question:
What should be the table width, so that the width of a table adjust to the current width of the browser window?

1.640 pixels

2.100%

3.full-screen

4.1024 px

Posted Date:-2021-08-04 01:35:32


Question:
When we write <img src="img.png">, what "img.png" inside double quote implies?

1.element

2.attribute

3.value

4.operator

Posted Date:-2021-08-04 01:35:32


Question:
Which attribute can be added to many HTML / XHTML elements to identify them as a member of a specific group ?

1.Id

2.div

3.class

4.span

Posted Date:-2021-08-04 01:35:32


Question:
Which data manipulation command is used to combines the records from one or more tables?

1.SELECT

2.PROJECT

3.JOIN

4.PRODUCT

Posted Date:-2021-08-04 01:35:32


Question:
Which data type allows alphanumeric characters and special symbols to be entered?

1.Text

2.Memo

3.Auto number

4.Mixed

Posted Date:-2021-08-04 01:35:32


Question:
Which data type can store unstructured data in a column?

1.RAW

2.CHAR

3.NUMERIC

4.VARCHAR

Posted Date:-2021-08-04 01:35:32


Question:
Which database object is ideal to view, change, andanalyze datain different ways ?

1.Table

2.Form

3.Query

4.Report

Posted Date:-2021-08-04 01:35:32


Question:
Which element is used in the <HEAD> section on an HTML / XHTMLpage, if we want to use an external style sheet file to decorate the page ?

1.<src>

2.<link>

3.<style>

4.<css>

Posted Date:-2021-08-04 01:35:32


Question:
Which function is used to divides one numeric expression by another and get the remainder ?

1.POWER

2.MOD

3.ROUND

4.REMAINDER

Posted Date:-2021-08-04 01:35:32


Question:
Which name must be unique within a database ?

1.Table

2.Field

3.Record

4.Character

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following enables us to view data from a table based on a specific criterion

1.Form

2.Query

3.Macro

4.Report

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following fields has width of 8 bytes?

1.Memo

2.Number

3.Date/time

4.Hyperlink

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following is a comparison operator in SQL?

1.Double equal sign ( == )

2.LIKE

3.BETWEEN

4.Single equal sign ( = )

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following is a legal expression in SQL?

1.SELECT NULL FROM SALES;

2.SELECT NAME FROM SALES;

3.SELECT * FROM SALES WHEN PRICE = NULL;

4.SELECT # FROM SALES;

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following is not a database model

1.Network Database Model

2.Relational Database Model

3.Object Oriented Database Model

4.None

Posted Date:-2021-08-04 01:35:32


Question:
which of the following is not a database object?

1.Tables

2.Queries

3.Relationships

4.Reports

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following is not a valid SQL type?

1.DECIMAL

2.NUMERIC

3.FLOAT

4.CHARACTER

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following operations requires the relations to be union compatible?

1.UNION

2.INTERSECTION

3.DIFFERENCE

4.ALL OF THESE

Posted Date:-2021-08-04 01:35:32


Question:
Which of the following properties will we use to display border around a cell without any content ?

1.empty-cell

2.blank-cell

3.noncontent-cell

4.void-cell

Posted Date:-2021-08-04 01:35:32


Question:
Which operator is used to compare a value to a specified list of values?

1.BETWEEN

2.ANY

3.IN

4.ALL

Posted Date:-2021-08-04 01:35:32


Question:
Which statement in SQL allows us to change the definition of a table is?

1.ALTER

2.UPDATE

3.CREATE

4.SELECT

Posted Date:-2021-08-04 01:35:32


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