What are the different types of joins

Answer Posted / shankar

2 types:
1. Inner Join
2. Outer Join
3. Cross Join
1. Inner Join: Inner Join displays matched rows.
2. Outer Join: Outer Join displays matched rows as well as
unmatched rows. Outer Joins again classifed into 3 types.
2a. Left Outer Join: Matched rows as well as left table
unmatched rows.
2b. Right Outer Join: Matched rows as well as right table
unmatched rows.
2c. Full Outer Join: Matched rows as well as left table
unmatched rows and right table unmatched rows.
3. Cross Join: It will display the cartegion product of the
tables.

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what r the 5 major defects that u found in ur shopping related project?

1422


What types of documentation are used in qa?

677


What is concurrent user hits in load testing?

829


In interview How do explain in Testcase of Calcuator,Cellphones, Email testing?

1745


write 5 critical test cases on product payment form on flipkart.com?

1506






MS Paint

1654


Test Cases For Router&Switch

2063


How will u decide test data to see that evey feature is thoroughly tested

1587


Do you know anything about Set Top Boxes?

9270


HOW TO CREATE SRS REVIEW REPORT TO PL?

1909


Do submit teststrategy to customer if yes at what time

1552


Presently working in software company as a software test engineer with 1.5 yrs of experience but i am 2002 passout.Gap is 6 yrs.Is there any problem getting job in MNC? Which criteria HR follows for recruiting test engineer?

1621


Write the test cases for file transfer from one user to other from Google Drive/drop box?

7230


What exactly you do as a Configuration controller?

1547


how we write test cases to brs,srs,hlds,llds

2869