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different kinds of Joins.

Posted By :Narayanan     Posted Date :September 03, 2011    Points :40   Category :Sql Server 
OUTER
JOIN - LEFT, RIGHT, CROSS, FULL
INNER
JOIN


You can also find related Interview Question to different kinds of Joins.  below: 

can you tell all types of joins?

  
1) equi joins
2) non equi joins
3) self joins
4) caresian joins
5) outer joins
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Can We Rewrite Subqueries Into Simple Select Statements Or With Joins?

  
Subqueries can often be re-written to use a standard outer join, resulting in faster performance. As we may know, an outer join uses the plus sign (+) operator to tell the database to return all non-matching rows with NULL values. Hence we combine the outer join with a NULL test in the WHERE clause to reproduce the result set without using a sub-query. (More...)

What are cross joins?

  
? A cross join that does not have a WHERE clause produces the Cartesian product of the tables involved in the join.
? The size of a Cartesian product result set is the number of rows in the first table multiplied by the number of rows in the second table.
? Example: is when company wants to combine each product with a pricing table to analyze each product at each price.
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Database: List different types of joins.

  
Inner join, Outer join, Self join (More...)

Database: List different types of outer joins.

  
Left outer join, right outer join, full outer join (More...)

joins in SQL SERVER

  
Joins Actualy performs Two or more table combined into a single result set..

Three are Four Types of joins in SQL SERVER.

1) inner join
2) Outer join(Left outer join,Right outer join)
3) Full join
4) Cross join

Regards
Sriram.R (More...)

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What are the various kinds of roles the users can have?

  

A user can be assigned one of the following roles

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