762088
Descrição
Quiz por monishalakshman, atualizado more than 1 year ago
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Criado por monishalakshman
aproximadamente 10 anos atrás
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Questão 1
Questão
Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
Responda
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Instance, Schema
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Relation, Schema
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Relation, Domain
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Schema, Instance
Questão 2
Questão
Course(course_id,sec_id,semester)
Here the course_id,sec_id and semester are __________ and course is a _________ .
Responda
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Relations, Attribute
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Attributes, Relation
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Tuple, Relation
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Tuple, Attributes
Questão 3
Questão
Department (dept name, building, budget) and Employee (employee_id , name, dept name,salary)
Here the dept_name attribute appears in both the relations .Here using common attributes in relation schema is one way of relating ___________ relations.
Responda
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Attributes of common
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Tuple of common
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Tuple of distinct
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Attributes of distinct
Questão 4
Questão
A domain is atomic if elements of the domain are considered to be ____________ units.
Responda
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Different
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Indivisbile
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Constant
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Divisible
Questão 5
Questão
The tuples of the relations can be of ________ order.
Responda
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Any
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Same
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Sorted
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Constant
Questão 6
Questão
_________ were among the first to use databases in a geographically distributed manner?
Responda
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Airlines
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Database
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Automated teller
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Telecommunication
Questão 7
Questão
Data independence is usually considered from _____ points of view?
Responda
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Two
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Physical
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Logical
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Difficult
Questão 8
Questão
What is the purpose of MEARGE in sql server 2008?
Responda
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Merge statement allows a single statement for INSERT, DELETE and UPDATE a row that depends on a condition
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Merge statement allows multiple statements for INSERT, DELETE and UPDATE a row that depends on a condition
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Merge statement allows a single statement for INSERT, DELETE and UPDATE a row that independent on a condition
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Merge statement allows multiple statements for INSERT, DELETE and UPDATE a row that is independent on a condition
Questão 9
Questão
SQL Server 2000 always returns the result of a FOR XML query directly to the client in XML form
Responda
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True
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False
Questão 10
Questão
Dynamic Page Repair is a type of database mirroring.
Responda
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False
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True
Questão 11
Questão
CPUs can dynamically be added to a running system, by using _________ feature
Responda
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Cold Add CPU
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Hot Add CPU
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Dynamic add CPU
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Passive add CPU
Questão 12
Questão
The identifiers in SQL can have a character range from?
Responda
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1 to 100
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1 to 128
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1 to 64
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1 to 132
Questão 13
Questão
Which of the following rules below are true to use the ROWGUICOL property to define a globally unique identifier column?
Responda
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A table can have only one ROWGUICOL column
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A ROWGULCOL column must not be defined by using the unique identifier data type.
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Both a and c
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NEWID function to generate a globally unique value.
Questão 14
Questão
A column with an optimized storage for null values is known as ________ column
Responda
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spatial
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optimum
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dense
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sparse
Questão 15
Questão
______________ is a feature that is used for tracking the changes on a table
Responda
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Change schema Capture
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Change table Capture
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Change Data Capture
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Change database Capture
Questão 16
Questão
A relation is in this form if it is in BCNF and has no multivalued dependencies:
Responda
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second normal form.
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third normal form.
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fourth normal form.
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domain/key normal form.
Questão 17
Questão
Row is synonymous with the term:
Responda
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record
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relation
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column
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field
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