What are the different types of joins
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Answer / uday kumar. a
Two types of joins
1. Inner Join
2. Outer Join
2.a Left outer join
2.b Right outer join
Is This Answer Correct ? | 7 Yes | 2 No |
In SQL Server, we have the following joins
1.Self Join
2.Inner Join
3.Cross Join
4.Outer Join
4.1 Left Outer Join
4.2 Right Outer Join
4.3 Full Outer Join
Is This Answer Correct ? | 4 Yes | 0 No |
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 |
Answer / suneel reddy
Inner Join
Outer join
self join
cross join
Is This Answer Correct ? | 4 Yes | 2 No |
Answer / rk_(processmap)
1)Inner join A join that displays only the rows that have
a match in both joined tables
2)Outer join A join that includes rows even if they do
not have related rows in the joined table
i) Left outer join All rows from the first-named
table
ii) Right outer join All rows in the second-named
table
iii) Full outer join All rows in all joined
tables are included
3)Cross join A join whose result set includes one row for
each possible pairing of rows from the two tables
http://msdn2.microsoft.com/en-us/library/zt8wzxy4
(VS.80).aspx
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / giribabu
1)Simple Join
a)Equi join
b)Non Equi-join
2)Self join
3)Outer Join
Is This Answer Correct ? | 1 Yes | 1 No |
Answer / smiley
1)Inner Join
- Natural Join
- Cross Join
2)Outer Join
- LEFT Outer Join
- RIGHT Outer Join
- FULL Outer Join
3)Merge Join
4)Hash Join
5)Sort-Merger Join
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / hema
equi join
non equi join
left outer join
right outer join
that's it ok......
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / knight rider
Types of Joins are:
1.Inner/Simple joins:a)Equi join b)Non-Equi join c)Self join
2.Outer join:a)Left outer join b)Right outer join c)Full
outer join
3.cross join or cartesian product join
4.Natural join
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / guest
1. Cartesian Join(product join)
2. Inner Join(Equi join)
3. Outer Join
3.1 Left Outer Join
3.2 Right Outer Join
3.3. Full Join
4. Self Join
Is This Answer Correct ? | 0 Yes | 0 No |
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