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

Advanced SQL

Advanced SQL
With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.

False
True

ANSWER DOWNLOAD EXAMIANS APP

Advanced SQL
The UNION clause is used to combine the output from multiple queries together into a single result table.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Advanced SQL
Which of the following is one of the basic approaches for joining tables?

Natural join
All of these
Subqueries
Union Join

ANSWER DOWNLOAD EXAMIANS APP

Advanced SQL
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.

True
False

ANSWER DOWNLOAD EXAMIANS APP

Advanced SQL
The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID

Equi-join
Cartesian join
Natural join
Outer join

ANSWER DOWNLOAD EXAMIANS APP

Advanced SQL
Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.

True
False

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Advanced 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
↑