What is a OUTER JOIN?



What is a OUTER JOIN?..

Answer / parthasarathi

outer join is used to fetch unmatched records along with matched records..

there are 3 kinds of outer joins available.

1.Left outer join :- used to fetch unmatched records at left side table.

2.right outer join :- used to fetch unmatched records at right side table.

3.Full outer join :- used to fetch unmatched records at both side tables.

Is This Answer Correct ?    3 Yes 0 No

Post New Answer

More Oracle General Interview Questions

what are steps for interface? where is exchange rate defined in which table?

0 Answers  


How do I limit the number of rows returned by an oracle query after ordering?

0 Answers  


Explain an exception?

0 Answers  


What are oracle functions?

0 Answers  


find out first highest salary?

10 Answers   Verinon Technology Solutions,






pls explain connect by prior with example and its real time use

3 Answers  


what is the exact definition for pointer?

7 Answers   Wipro,


Explain drop constraint oracle?

0 Answers  


What is define in oracle?

0 Answers  


What is a initialization parameter file in oracle?

0 Answers  


What is the effect of setting the 'RULE' for OPTIMIER_GOAL parameter of the ALTER SESSION Command ?

1 Answers  


what is the syntax of UPDATE command?

8 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1789)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)