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Bluelinking 2 books for verifiability.) #IABot (v2.1alpha3 |
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|publisher= Peachpit Press
|isbn= 978-0-321-33417-6
|pages= [https://archive.org/details/sql0000fehi/page/439 439–440, 480]
|quote= SQL Keywords [...] The appendix lists the [[SQL:2003]] standard's reserved and non-reserved keywords. [...] EXISTS [...]
|url= https://archive.org/details/sql0000fehi/page/439
}}
</ref> to determine whether rows exist in a [[subquery]] result.<ref>
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|publisher= Peachpit Press
|isbn= 978-0-321-33417-6
|page= [https://archive.org/details/sql0000fehi/page/278 278]
|quote= EXISTS and NOT EXISTS [...] look for the existence or nonexistence of rows in a subquery result.
|url= https://archive.org/details/sql0000fehi/page/278
}}
</ref>
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