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| 1. The Free On-line Dictionary of Computing (30 December 2018) |
primary key
A unique identifier, often an integer, that
labels a certain row in a table of a relational database.
When this value occurs in other tables as a reference to a
particular row in the first table it is called a "foreign
key".
Some RDBMSes can generate a new unique identifier each time
a new row is inserted, others merely allow a column to be
constrained to contain unique values.
A table may have multiple candidate keys, from which the
primary key is chosen. The primary key should be an arbitrary
value, such as an autoincrementing integer. This avoids
dependence on uniqueness, permanence and format of existing
columns with real-world meaning (e.g. a person's name) or
other external identifier (e.g. social security number).
There should be enough possible primary key values to cater
for the current and expected number of rows, bearing in mind
that a wider column will generally be slower to process.
(2006-05-29)
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| Common Misspellings > |
primary key rprimary key rpimary key prpimary key rimary key pprimary key pirmary key prirmary key pimary key prrimary key prmiary key primiary key prmary key priimary key priamry key primamry key priary key primmary key primray key primaray key primry key primaary key primayr key primaryr key primay key primarry key primar ykey primary ykey primar key primaryy key primaryk ey primary k ey primarykey primary key primary eky primary keky primary ey primary kkey primary kye primary keye primary ky primary keey primary kyey primary ke primary keyy 0rimary key p0rimary key 0primary key )rimary key p)rimary key )primary key orimary key porimary key oprimary key lrimary key plrimary key lprimary key p4imary key pr4imary key p4rimary key p$imary key pr$imary key p$rimary key p5imary key pr5imary key p5rimary key peimary key preimary key perimary key ptimary key prtimary key ptrimary key pdimary key prdimary key pdrimary key pfimary key prfimary key pfrimary key pgimary key prgimary key pgrimary key pr8mary key pri8mary key pr8imary key pr*mary key pri*mary key pr*imary key pr9mary key pri9mary key pr9imary key prumary key priumary key pruimary key promary key priomary key proimary key prjmary key prijmary key prjimary key prkmary key prikmary key prkimary key prlmary key prilmary key prlimary key pramary key premary key prijary key primjary key prijmary key prikary key primkary key prikmary key prilary key primlary key prilmary key prinary key primnary key prinmary key pri ary key prim ary key pri mary key primqry key primaqry key primqary key primwry key primawry key primwary key primsry key primasry key primsary key primxry key primaxry key primxary key primzry key primazry key primzary key prim ry key prima ry key prim ary key primery key primiry key primory key primury key prima4y key primar4y key prima4ry key prima$y key primar$y key prima$ry key prima5y key primar5y key prima5ry key primaey key primarey key primaery key primaty key primarty key primatry key primady key primardy key primadry key primafy key primarfy key primafry key primagy key primargy key primagry key primar6 key primary6 key primar6y key primar^ key primary^ key primar^y key primar7 key primary7 key primar7y key primart key primaryt key primarty key primaru key primaryu key primaruy key primarg key primaryg key primargy key primarh key primaryh key primarhy key primarj key primaryj key primarjy key primary uey primary kuey primary ukey primary iey primary kiey primary ikey primary oey primary koey primary okey primary jey primary kjey primary jkey primary ley primary kley primary lkey primary mey primary kmey primary mkey primary ,ey primary k,ey primary ,key primary .ey primary k.ey primary .key primary k3y primary ke3y primary k3ey primary k#y primary ke#y primary k#ey primary k4y primary ke4y primary k4ey primary kwy primary kewy primary kwey primary kry primary kery primary krey primary ksy primary kesy primary ksey primary kdy primary kedy primary kdey primary kfy primary kefy primary kfey primary kay primary kiy primary koy primary kuy primary ke6 primary key6 primary ke6y primary ke^ primary key^ primary ke^y primary ke7 primary key7 primary ke7y primary ket primary keyt primary kety primary keu primary keyu primary keuy primary keg primary keyg primary kegy primary keh primary keyh primary kehy primary kej primary keyj primary kejy
Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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