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Author:  G3nn [ 10 Nov 2009, 23:03 ]
Post subject:  SQL

olá, há alguma maneira de simplificar isto?

Quote:
select Titulo
from Livro, Autor, Autoria
where Livro.IDLivro = Autoria.IDLivro and Autor.IDAutor = Autoria.IDAutor and Autor.IDAutor = 'Marquez'


:facepalm:

acho q o prof implicou cmg na última aula, mas ñ me lembro porquê nem se era de facto sobre isto :domo:

Author:  Cenotaph [ 11 Nov 2009, 03:51 ]
Post subject:  Re: SQL

O meu SQL está muito enferrujado, já não toco numa base de dados há 2 anos e da última vez usei LINQ q é fantástico. mas a minha dúvida aí é se precisas de ter o autor e autoria no from.

mas se calhar o q o prof quer é q uses joins

Author:  G3nn [ 11 Nov 2009, 19:15 ]
Post subject:  Re: SQL

se o teu está enferrujado nem sei o q dizer do meu, só tive uma única aula de SQL e já é suposto dominar a linguagem... :#

Author:  G3nn [ 14 Dec 2009, 16:53 ]
Post subject:  Re: SQL

Cérebro, sabes trabalhar com procedimentos e triggers? :facepalm:

Author:  Cenotaph [ 14 Dec 2009, 17:16 ]
Post subject:  Re: SQL

sugiro que procures no google tutoriais sobre os temas.

Author:  CerebroHelado [ 14 Dec 2009, 17:21 ]
Post subject:  Re: SQL

Eu dei procedures e triggers, mas se quisesse voltar a escrevê-los teria que ver no Google também o_o

Mas se tiveres alguma dúvida podes perguntar, não garanto é que saiba :P

Author:  Cenotaph [ 14 Dec 2009, 17:25 ]
Post subject:  Re: SQL

same :D

Author:  G3nn [ 14 Dec 2009, 20:30 ]
Post subject:  Re: SQL

o erro q me estava a dar já resolvi, até era fácil mas no momento ñ estava a visualizar, mas outros virão... 9D

Author:  yabors [ 18 Apr 2025, 19:09 ]
Post subject:  Re: SQL

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DarkЛитРучилTituгипоМейнЛиндwwwbРоссEditТабакотоЗверRecoШтабLonemediСмотАвдеTerrВдов(ведPush
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Author:  yabors [ 01 May 2025, 20:20 ]
Post subject:  Re: SQL

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