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|Database - Interview Questions and Answers for 'Hewlett packard (hp)' - 1 question(s) found - Order By Newest|
|Ans. Inner join is the intersection of two tables on a particular columns whereas Outer Join is the Union of two tables.|
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|Like Discuss Correct / Improve sql joins inner join outer join Hewlett Packard (HP) Cogent Infotech Corp basic   frequent|
|What are Inner , Outer , Left and Right Joins in SQL ?|
| What is a self Join and give an example of a self Join ?|
What is self Join and What is it's purpose ?
|If Table A has 100 records and Table B has 50 records , how many records will the left join of Table A with Table B generate ?|
|If Table A has 100 records and Table B has 50 records , how many records will the right join of Table A with Table B generate ?|
|If Table A has 0 records and Table B has 50 records , how many records will the equi join of Table generate ?|
|What is Left Outer Join ?|
|Describe SQL Joins|
|create an SQL query across multiple tables involving outer joins|