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oscar-alex11

EX1_P2_Bases_de_Datos

May 28th, 2014
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SQL 0.25 KB | None | 0 0
  1. a)
  2. SELECT    AVION.IDAVION, VUELO.IDFECHA
  3. FROM      AVION, VUELO, COMPANIA
  4. WHERE     (COMPANIA.IDCIA=AVION.IDCIA) AND (COMPANIA.NCIA='AIR') AND (VUELO.IDCIA=COMPANIA.IDCIA)
  5. GROUP BY  AVION.IDAVION
  6. HAVING    MIN(VUELO.IDFECHA)
  7. ORDER     BY 2 DESC
  8.  
  9. b)
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