Database normalization - Wikipedia, the free encyclopedia - 0 views
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webpowerlabs on 31 May 13Non-1NF example in django: > > class Customer(models.Model): > > name = models.CharField(..) > > transaction = models.ManyToManyField("Transaction") > > class Transaction(models.Model): > > date = models.DateField(...) > > amount = models.IntegerField(...) 1NF example: > class Customer(models.Model): > > name = models.CharField(...) > > class Transaction(models.Model): > > customer = models.ForeignKey(Customer) > > date = ... > > amount = ... -
webpowerlabs on 31 May 13Correction: ^ N1NF example no foreign key
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