Difference between left and right outer join in sql

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  http://www.programmerinterview.com/index.php/database-sql/inner-vs-outer-joins/
Outer joins SQL Key Definition Differences between Primary and Foreign Keys Natural Key In Database Secondary Key Simple key in SQL Superkey Example What is Referential Integrity Having vs. In this case, what that means is anytime the Employee and Location table share an Employee ID, a row will be generated in the results to show the match

Oracle Left Outer Join

  http://www.dba-oracle.com/tips_oracle_left_outer_join.htm
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Oracle LEFT JOIN vs. LEFT OUTER JOIN: What's the difference?

  http://searchoracle.techtarget.com/answer/Oracle-LEFT-JOIN-vs-LEFT-OUTER-JOIN-Whats-the-difference
Buying human resources software: The adoption phase In this sixth article of a seven-part series on buying HR software, two experts emphasize the importance of user adoption. Big data projects go beyond IT infrastructure Big data creates a big test for enterprises: finding the right employees who can meld the technology and business needs in a way ..

  http://blog.sqlauthority.com/2008/08/03/sql-server-2005-difference-between-intersect-and-inner-join-intersect-vs-inner-join/
Table1 has 10 rows, Table2 has 100 rows and Table3 has 1000 rows, so please suggest me that how to join these tables using inner join means which table we should put first and which on second no. There is no question to compare the performance of these two functionalities as they are for different purpose and should not be use as the alternate of each other

Difference between CROSS APPLY and OUTER APPLY of SQL XML - CodeProject

  http://www.codeproject.com/Tips/421637/Difference-between-CROSS-APPLY-and-OUTER-APPLY-of
The difference between CROSS APPLY and OUTER APPLY of SQL XML CodeProject Introduction The APPLY operator comes in two variants, CROSS APPLY and OUTER APPLY

MySQL - LEFT JOIN and RIGHT JOIN, INNER JOIN and OUTER JOIN

  http://www.wellho.net/mouth/158_MySQL-LEFT-JOIN-and-RIGHT-JOIN-INNER-JOIN-and-OUTER-JOIN.html
Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. First, some sample data: Mr Brown, Person number 1, has a phone number 01225 708225 Miss Smith, Person number 2, has a phone number 01225 899360 Mr Pullen, Person number 3, has a phone number 01380 724040 and also: Person number 1 is selling property number 1 - Old House Farm Person number 3 is selling property number 2 - The Willows Person number 3 is (also) selling property number 3 - Tall Trees Person number 3 is (also) selling property number 4 - The Melksham Florist Person number 4 is selling property number 5 - Dun Roamin

How to use the LEFT JOIN vs. RIGHT OUTER JOIN in SQL

  http://searchsqlserver.techtarget.com/feature/How-to-use-the-LEFT-vs-RIGHT-OUTER-JOIN-in-SQL
Note For those of you following along with the complete syntax diagrams in Appendix A, SQL Standard Diagrams, note that we've pulled together the applicable parts (from Select Statement, Table Reference, and Joined Table) into simpler diagrams that explain the specific syntax we're discussing. You could also join the second and third tables first (as long as the third table is, in fact, related to the second table and not the first one) and then perform the final JOIN with the first table

sql - What is the difference between an INNER JOIN and an OUTER JOIN ? - Database Administrators Stack Exchange

  http://dba.stackexchange.com/questions/153/what-is-the-difference-between-an-inner-join-and-an-outer-join
It does this, in effect, by padding one or both of the tables with nulls before doing the union, thereby making them conform to those usual requirements after all. Table Phoneno has 6 records (with a 1:1 relation, meaning that an entry in PhoneNo will reference only one entry in Users, and only one entry in PhoneNo can reference a given entry in Users)

  http://www.programmerinterview.com/index.php/database-sql/difference-between-a-left-outer-join-and-right-outer-join/
Here we have 2 tables that we will use for our example: Employee Location EmpID EmpName 13 Jason 8 Alex 3 Ram 17 Babu 25 Johnson EmpID EmpLoc 13 San Jose 8 Los Angeles 3 Pune, India 17 Chennai, India 39 Bangalore, India For the purpose of our example, it is important to note that the very last employee in the Employee table (Johnson, who has an ID of 25) is not in the Location table. Outer joins SQL Key Definition Differences between Primary and Foreign Keys Natural Key In Database Secondary Key Simple key in SQL Superkey Example What is Referential Integrity Having vs

  http://www.firebirdfaq.org/faq93/
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  http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=53046
When a row in the left table has no matching rows in the right table, the associated result set row contains null values for all select list columns coming from the right table.RIGHT JOIN or RIGHT OUTER JOIN. Outer joins are specified with one of the following sets of keywords when they are specified in the FROM clause:LEFT JOIN or LEFT OUTER JOIN The result set of a left outer join includes all the rows from the left table specified in the LEFT OUTER clause, not just the ones in which the joined columns match

Difference between And clause along with on and Where clause when used with left join in SQL Server - CodeProject

  http://www.codeproject.com/Articles/231132/Difference-between-And-clause-along-with-on-and-Wh
Suppose we have two tables Departments (deptId, deptName) and Employees (empID, DeptID, EmpName, Salary) and deptiD is the foreign key of the department table. Writing AND clause with ON would definitely increase performance whereas writing AND clause with WHERE would not be performance optimized comparing to writing with ON clause.Using AND clause along with ON is one of the basic technique for improving SQL Performance

sql - Difference between INNER and OUTER joins - Stack Overflow

  http://stackoverflow.com/questions/38549/difference-between-inner-and-outer-joins
An outer join will give the results of A intersect B in addition to one of the following: all of A (left join), all of B (right join) or all of A and all of B (full join). Whereas an outer join retrieve the matched rows from one table and all rows in other table ....the result depends on which one you are using: Left: Matched rows in the right table and all rows in the left table Right: Matched rows in the left table and all rows in the right table or Full: All rows in all tables

  http://blog.sqlauthority.com/2011/01/22/sql-server-differences-between-left-join-and-left-outer-join/
Bascially I joined two tables using left outer join (note my select query had isnull in it) result I got was no rows but when I removed the outer from it (used only left join) I got 1 rows with column values as 0. Yesterday, I received a comment with the following question: What are the differences between Left Join and Left Outer Join? Click here to read original comment

sql - What is the difference between Left, Right, Outer and Inner Joins? - Stack Overflow

  http://stackoverflow.com/questions/448023/what-is-the-difference-between-left-right-outer-and-inner-joins
Here is an example of when you might want to use each type: INNER: You want to return all records from the "Invoice" table, along with their corresponding "InvoiceLines". Left outer join: The same as an inner join, except that if there is any row for which no matching row in the table on the right can be found, a row is output containing the values from the table on the left, with NULL for each value in the table on the right