00296nam a2200133Ia 45000030006000000080041000060400015000471000016000622450035000782500011001132600009001245460012001330050017001450STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aUllman,J.D.  aPrinciples of Database systems  asecond  c2004  aEnglish20220125160220.0