DataBase System Relational database account_number branch_name balance customer_id I account-number A-101 Downtown500 192-83-7465 A-101 A-215 Mianus 700 19283-7465A-201 A-102 Perryridge 400 019-28-3746 A-215 A-305 Round Hill 350 677-89-9011 A-102 A-201 Brighton 900 182-73-609 A-305 A-222 Redwood 700 321-12-3123 A-217 A-217 Brighton 750 336-66-9999 A-222 019-283746 A-201 (b) The account table (c) The depositor table The account table stores information about accounts The depositor table containing information about which customer owns which account Storing all information as a single relation is NoT a good idea! Haichang Gao, Software School, Xidian University 10DataBase System Haichang Gao , Software School , Xidian University 10 Relational Database (b) The account table (c) The depositor table The account table stores information about accounts. The depositor table containing information about which customer owns which account Storing all information as a single relation is NOT a good idea!