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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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