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Old 26.9.2008   #21
windmouse
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a vzdyt ja vim, ze to mam zle, ale zatim to funguje a moc komplexnejsi to uz nastesti nebude

problem je, ze nechapu, jak spolu souvisi primarni klice v ruznych tabulkach, narozdil od tech zakaznickych cisel (s kterymi uz par lidi beha po svete, takze nejsou tak uplne vymyslena)

az tohle pochopim, tak to muzu trochu procistit

edit: a samozrejme dekuju za kod, jak tyhle veci vlastne davate dohromady, mate nejaky katalog prikazu a z toho to skladate jak lego, nebo jak vlastne?
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Old 26.9.2008   #22
Kada
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Quote:
Originally Posted by windmouse View Post
problem je, ze nechapu, jak spolu souvisi primarni klice v ruznych tabulkach, narozdil od tech zakaznickych cisel (s kterymi uz par lidi beha po svete, takze nejsou tak uplne vymyslena)
Pablo to myslel tak, ze to tvoje zakaznicky cislo by se melo jmenovat ID, mel by to byt primarni klic, a zadny dalsi "cislo zakaznika" uz by tam byt nemelo. Primarni klic slouzi prave k jednoznacne identifikaci zaznamu, coz to tvoje zakaznicky cislo splnuje. Mit tam dalsi jednoznacny cislo je zbytecny a zpusobuje to neprehlednost.

Quote:
Originally Posted by windmouse View Post
edit: a samozrejme dekuju za kod, jak tyhle veci vlastne davate dohromady, mate nejaky katalog prikazu a z toho to skladate jak lego, nebo jak vlastne?
Hledej neco jako uvod do SQL, zajima te predevsim konstrukce SELECT.
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