正在加载图片...
A Combined Schema Without Repetition Consider combining loan_branch and loan loan amt br =(loan number,amount,branch_name) No repetition(as suggested by example below) loan_mumber mount loanmonber Ianchnamie L-100 10000 L-100 Springfield loan lomn_bmnch foan_nionber 0士 brduante L-100 10000 Springfield lon_omt_br Database System Concepts-5th Edition,Oct 5,2006 7.5 ©Silberschat乜,Korth and SudarshanDatabase System Concepts - 5 7.5 ©Silberschatz, Korth and Sudarshan th Edition, Oct 5, 2006 A Combined Schema Without Repetition Consider combining loan_branch and loan loan_amt_br = (loan_number, amount, branch_name) No repetition (as suggested by example below)
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有