00670nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000240009908200150012310000280013824500650016626000480023130000310027949000600031050000200037050400300039065000320042063184BIBL20160527191858.0840813s1985    caua     b    00110 eng    a 84019532   a05340402920 aQA76.9.D3bV37 19850 a001.6421910aVasta, Joseph A.2Local10aUnderstanding data base management systemscJoseph A. Vasta.0 aBelmont, Calif.bWadsworth Pub. Co.cc1985.  axxii, 350 p.bill.c24 cm. 0aWadsworth series in computer information systems2Local  aIncludes index.  aBibliography: p. 343-344. 0aData base management2Local