conf/vldb/93 David Beech Collections of Objects in SQL3. 244-255 1993 VLDB db/conf/vldb/vldb93.html#Beech93 db/conf/vldb/Beech93.html VLDB93/P244.PDF ... ... ... ... ... ... ... conf/oopsla/Beech88 ... books/aw/EllisS90 ...