Forma Normala 3

postat acum 4 ani de Stefanescu Mihai in categorie SQL

O baza de date este in forma normala 3 daca:

  • este in forma normala 2
  • Toate campurile unui tabel depind de o cheie primara

Exemplu:

Id Nume Prenume id_localitate den_localitate
1 Ionescu Adrian 7 Bucuresti

Ar trebuii sa avem:

Angajati

Id Nume Prenume id_localitate
1 Ionescu Adrian 7

Localitati

Id Den_Localitate
7 Bucuresti
Sunt un tanar programator din Bucuresti ce lucreaza in PHP/Mysql (MySqli/PDO), Laravel, CodeIgniter, MySQL, PostgreSQL, Wordpress, HTML5/CSS3, Sass, Photoshop si multe altele.
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