为银行储蓄系统设计数据库使之能实现：储户开户登记、办理定期存款帐、办理定期取款手续、办理活期存款帐、办理活期取款手续、利息计算、输出明细表等。-Bank savings bank savings system is a database system designed so that it can achieve: depositor account registration, for deposit accounts, apply f