• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Introduction to SQL

Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Find all the cities whose humidity is 89

SELECT city WHERE humidity = 89;
SELECT city FROM weather;
SELECT city FROM weather WHERE humidity = 89;
SELECT humidity = 89 FROM weather;

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

ADD
UPDATE
INSERT
APPEND

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Which of the following is valid SQL for an Index?

REMOVE INDEX ID;
CHANGE INDEX ID;
CREATE INDEX ID;
ADD INDEX ID;

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.

ONLY
SINGLE
UNIQUE
DISTINCT

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

False
True

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Introduction to SQL

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑