เอกสารโดย emina torlak เผยแพร่ที่ popl ไม่จำเป็นต้องใช้ตารางทั้งหมด
papers by emina torlak published at poplIt is not neccessary to use all the tables.
 author:  authorid [ int]  authorname [ varchar] 
SELECT DISTINCT paper.paperid FROM author, paper, venue, writes WHERE author.authorname = 'emina torlak' AND venue.venueid = paper.venueid AND venue.venuename = 'popl' AND writes.authorid = author.authorid AND writes.paperid = paper.paperid