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Mohan Pratap Bhatti

Asked: 3 years agoIn: Rdbms

The system where two independent pieces of data are used to identify a user is called as ______

(a) Two system authentication

(b) ID password authentication

(c) Two factor authentication

(d) Multi data authentication

Saurabh Chandra

Asked: 3 years agoIn: Rdbms

A logical counter is _________ after a new timestamp has been assigned

(a) Incremented

(b) Decremented

(c) Doubled

(d) Remains the same

Akhila Batra

Asked: 3 years agoIn: Rdbms

We create an index in SQL using _______ command

(a) Create index

(b) New index

(c) Create new index

(d) Develop index

Payal Ratan Varty

Asked: 3 years agoIn: Rdbms

If a left outer join is performed and the tuple on the left hand side does not match with the tuple on the right hand side, what happens to the values that are preserved on the left hand side?

(a) They are given null values

(b) They are given a random value

(c) The user is asked to enter data

(d) The query is declared invalid by the compiler

Deep Mehra

Asked: 3 years agoIn: Rdbms

What is the function of the union operation?

(a) It combines the results of any two different queries

(b) It combines the results of two different queries which have the same set of attributes in the select clause

(c) It combines the results of two different queries which have the same condition in the where clause

(d) It gives the Cartesian product of the results of any 2 queries

Namita Mathew

Asked: 3 years agoIn: Rdbms

A ______ is a globally unique name for every document that can be accessed on the Web

(a) ID

(b) UCL

(c) URL

(d) UML

Suraj Chandra Sant

Asked: 3 years agoIn: Rdbms

Files that support log disks are called as ________

(a) Logging file systems

(b) Jorte File Systems

(c) Journaling File Systems

(d) Channelizing File Systems

Urvashi Bhavsar

Asked: 3 years agoIn: Rdbms

State true or false: Bitmaps can be combined with B+ trees

(a) True

(b) False

This question was addressed to me in quiz.

The question is from Bitmap Indices topic in portion Indexing and Hashing of RDBMS

Aditi Albert Bahl

Asked: 3 years agoIn: Rdbms

State true or false: SQL does not permit distinct with count(*)

(a) True

(b) False

I got this question in an interview for internship.

My question is from Aggregate Functions topic in chapter Introduction to Relational Model and Sql of RDBMS

Amrita Chacko

Asked: 3 years agoIn: Rdbms

State true or false: Oracle does not support complex check conditions

(a) True

(b) False

I got this question in homework.

My query is from Integrity Constraints in chapter Intermediate and Advanced Sql of RDBMS

Load More Questions

Rdbms

The system where two independent pieces of data are used to identify a user is called as ______

(a) Two system authentication

(b) ID password authentication

(c) Two factor authentication

(d) Multi data authentication

A logical counter is _________ after a new timestamp has been assigned

(a) Incremented

(b) Decremented

(c) Doubled

(d) Remains the same

We create an index in SQL using _______ command

(a) Create index

(b) New index

(c) Create new index

(d) Develop index

A ______ is a globally unique name for every document that can be accessed on the Web

(a) ID

(b) UCL

(c) URL

(d) UML

Files that support log disks are called as ________

(a) Logging file systems

(b) Jorte File Systems

(c) Journaling File Systems

(d) Channelizing File Systems

State true or false: Bitmaps can be combined with B+ trees

(a) True

(b) False

This question was addressed to me in quiz.

The question is from Bitmap Indices topic in portion Indexing and Hashing of RDBMS

State true or false: SQL does not permit distinct with count(*)

(a) True

(b) False

I got this question in an interview for internship.

My question is from Aggregate Functions topic in chapter Introduction to Relational Model and Sql of RDBMS

State true or false: Oracle does not support complex check conditions

(a) True

(b) False

I got this question in homework.

My query is from Integrity Constraints in chapter Intermediate and Advanced Sql of RDBMS

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