Abfragen.sql 310 B

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  1. SELECT * FROM Contacts;
  2. SELECT * FROM Contacts JOIN EmailAddresses ON Contacts.contactId = EmailAddresses.contactId;
  3. SELECT * from PhoneNumbers JOIN Details on Details.detailId = PhoneNumbers.detailId;
  4. SELECT * FROM Addresses JOIN Details on Details.detailId = Addresses.detailId where Addresses.contactId = 6;