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OUTER JOIN

Specialty Definition: OUTER JOIN

DomainDefinition

Computing

Outer join A less commonly used variant of the inner join relational database operation. An inner join selects rows from two tables such that the value in one column of the first table also appears in a certain column of the second table. For an outer join, the result also includes all rows from the first operand ("left outer join", "*="), or the second operand ("right outer join", "=*"), or both ("full outer join", "*=*"). A field in a result row will be null if the corresponding input table did not contain a matching row. For example, if we want to list all employees and their employee number, but not all employees have a number, then we could say (in SQL): SELECT employee.name, empnum.number WHERE employee.id *= empnum.id The "*=" means "left outer join" and means that all rows from the "employee" table will appear in the result, even if there is no match for their ID in the empnum table. (2001-03-23). Source: The Free On-line Dictionary of Computing.

Source: compiled by the editor from various references; see credits.

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Crosswords: OUTER JOIN

Specialty definitions using "OUTER JOIN": full outer joinleft outer joinright outer join. (references)

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Expressions: OUTER JOIN

Expressions using "OUTER JOIN": full outer join left outer join right outer join. Additional references.

Source: compiled by the editor from various references; see credits.

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Frequency of Internet Keywords: OUTER JOIN

The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com.
 
ExpressionFrequency
per Day

outer join

29

sql outer join

22

left outer join

15

oracle outer join

14

sql left outer join

4

right outer join

3
Source: compiled by the editor from various references; see credits.

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Anagrams: OUTER JOIN

Scrabble® Enable2K-Verified Anagrams

Words within the letters "e-i-j-n-o-o-r-t-u"

-1 letter: jointure.

-2 letters: jointer, routine.

-3 letters: enroot, injure, joiner, junior, norite, orient, rejoin, tenour, tonier, triune, uniter, unroot.

-4 letters: inert, inter, intro, inure, irone, jeton, joint, junto, niter, nitre, nitro, noter, oorie, ourie, outer, outre, rouen, route, rutin, tenor, toner, trine, trone, tuner, unite, untie, urine, uteri.

-5 letters: etui, euro, inro, into, iron, jeon, join, jute.

 Words containing the letters "e-i-j-n-o-o-r-t-u"
 

+5 letters: thermojunction.

Source: compiled by the editor from various references; see credits.

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Alternative Orthography: OUTER JOIN


Hexadecimal (or equivalents, 770AD-1900s) (references)

4F 55 54 45 52      4A 4F 49 4E

Leonardo da Vinci (1452-1519; backwards) (references)

    

Binary Code (1918-1938, probably earlier) (references)

01001111 01010101 01010100 01000101 01010010 00100000 01001010 01001111 01001001 01001110

HTML Code (1990) (references)

&#79 &#85 &#84 &#69 &#82 &#32 &#74 &#79 &#73 &#78

ISO 10646 (1991-1993) (references)

004F 0055 0054 0045 0052      004A 004F 0049 004E

Encryption (beginner's substitution cypher): (references)

4955543952244494348

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INDEX

1. Crosswords
2. Expressions
3. Expressions: Internet
4. Anagrams
5. Orthography
6. Bibliography


  

Copyright © Philip M. Parker, INSEAD. Terms of Use.