Mots-clés
3nf
2nf
1nf
baze de date
4nf
bcnf
cheie candidat
atribut tranzitiv dependent
depedente pline
dependente multivaluate
proprietati
dependente functionale
join exterior
join la dreapta
join la stanga
redenumirea
selectia
proiectia
join
operatori algebra relationala
algebra relationala
stocarea datelor
chei
nerelational
relational
dbms
sgbd
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