• 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
Which of the following is valid SQL for an Index?

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

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

All of these
Primary keys
Data types
Default values

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Find all the cities whose humidity is 89

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

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Count function in SQL returns the number of

columns.
groups.
distinct values.
values.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
The SQL -92 wildcards are ____ and ____ .

question mark (?); asterisk (*)
underscore(_); question mark (?)
asterisk (*); percent sign (%)
percent sign (%); underscore (_)

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

prints 50
prints 045.926
is illegal
prints garbage

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
↑