Select (SQL)

 SELECT * FROM DRZAVE WHERE KONTINENT = 'Evropa'

 SELECT * FROM imeTabele WHERE imeKolone = 'vrednost'

 SELECT * FROM DRZAVE ORDER BY IME_DRZAVE

 SELECT * FROM DRZAVE HAVING POVRSINA > 40000

 SELECT IME_DRZAVE, KONTINENT FROM DRZAVE

Dim konekcija As New SqlConnection(connectionString)
Dim komanda As New SqlCommand("SEECT * FROM DRZAVE WHERE KONTINENT = 'Evropa'", konekcija)
Dim citac As SqlDataReader

Try
     konekcija.Open()
     citac = komanda.ExecuteReader(CommandBehaviour.Default)

     While citac.Read()
          drzava.Text = citac("DRZAVA")
     End While

     konekcija.Close()
Catch ex As Exception
     MessageBox.Show(ex.Message)
End Try