• 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;
CREATE INDEX ID;
ADD INDEX ID;

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

5
0
9
10

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
'AS' clause is used in SQL for

Projection operation.
Join operation.
Rename operation.
Selection operation.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

DBase
Oracle
SQL
Microsoft Access

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
Which of the SQL statements is correct?

SELECT Username, Password FROM Users
SELECT Username, Password WHERE Username = 'user1'
SELECT Username AND Password FROM Users
None of these

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
↑