conf/sigmod/79 David J. DeWitt Query Execution in DIRECT. 13-22 1979 SIGMOD Conference db/conf/sigmod/sigmod79.html#DeWitt79 SIGMOD79/P013.PDF http://doi.acm.org/10.1145/582095.582098 db/conf/sigmod/DeWitt79.html ... ... ... ... journals/tods/OzkarahanSS77 journals/tods/StonebrakerWKH76 journals/cacm/Hoare74