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reate table hotel_t_Right( rightid number primary key not null,--×ÔÔö rightname varchar2(20) not null ); create sequence seq_hotel_t_Right; create or replace trigger tir_hotel_Right before insert or update on hotel_t_Right for each row begin select seq_hotel_t_Right.nextval into :new.Rightid from dual; end; /*±íÃû hotel_t_Roleright£¨½ÇɫȨÏÞ±í£© ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ rrid ±àºÅ NUMBER ·Ç¿Õ Ö÷¼ü£¨×ÔÔö£© roleid Óû§±àºÅ NUMBER ·Ç¿Õ Íâ¼ü rightid ȨÏÞ±àºÅ NUMBER ·Ç¿Õ Íâ¼ü*/ create table hotel_t_Roleright( rrid number primary key not null,--×ÔÔö roleid number not null references hotel_t_Role(roleid), rightid number not null references hotel_t_Right(rightid) ); create sequence seq_hotel_t_Roleright; create or replace trigger tir_hotel_Roleright before insert or update on hotel_t_Roleright for each row begin select seq_hotel_t_Roleright.nextval into :new.rrid from dual; end; /*±íÃû hotel_t_Userrole£¨Óû§½ÇÉ«±í£© ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ urid ±àºÅ NUMBER ·Ç¿Õ Ö÷¼ü£¨×ÔÔö£© roleid Óû§±àºÅ NUMBER ·Ç¿Õ Íâ¼ü rightid ȨÏÞ±àºÅ NUMBER ·Ç¿Õ Íâ¼ü*/ create table hotel_t_Userrole( urid number primary key not null,--×ÔÔö roleid number not null references hotel_t_Role(roleid), rightid number not null references hotel_t_Right(rightid) ); create sequence seq_hotel_t_Userrole; create or replace trigger tir_hotel_Userrole before insert or update on hotel_t_Userrole for each row begin select seq_hotel_t_Userrole.nextval into :new.urid from dual; end; /*Ö÷Òª¹¦ÄÜÄ£¿éÉæ¼°µÄÊý¾Ý±íµÄ¹ØÏµÍ¼£º 2. ¿Í·¿»ù±¾ÐÅÏ¢¹ÜÀí ¿Í·¿¹ÜÀíÖ÷ÒªÊǰ´¿Í·¿µÄÌõ¼þ²»Í¬£¬¶Ô¿Í·¿½øÐзÖÀࣨÀýÈç·Ö³É±ê×¼¼äºÍºÀ»ª¼ä£©£¬Ã¿Ò»ÀàÖÆ¶¨Ò»¸ö±ê¼Û£¬µ«Êµ¼ÊÉÏÕâ¸ö±ê¼ÛºÜÉÙ°´ÕÕÖ´ÐУ¬ÎªÁËÓ­ºÏ¿ÍÈËÐÄÀí£¬¸÷¸ö±ö¹ÝÒ»°ã¶¼»á¶Ô±ê¼Û½øÐдòÕÛ£¬¼´±ãÕâÑù£¬ÓеĿÍÈË¿ÉÄÜ»¹²»ÂúÒ⣬»òÕßÊÇ´òÕÛºó³öÏÖÁãÇ®µÄÏÖÏ󣬱ö¹ÝÒ»°ã»á¸ø½Ó´ýÈËÔ±Ò»¸öÈü۵ÄȨÀû£¬µ«ÊÇÕâ¸öÈü۲»ÄÜÊÇÎÞÏ޶ȵģ¬Òò´Ë»¹ÐèÒª¶ÔÿÀà·¿¼ä¶¨Ò»¸ö×îµÍ¼Û ±íÃû hotel_t_Roomtype£¨¿Í·¿ÀàÐÍ±í£© ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£
© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ typeid ÀàÐͱàºÅ NUMBER ·Ç¿Õ Ö÷¼ü£¨×ÔÔö£© typename ÀàÐÍÃû³Æ VARCHAR2(20) ·Ç¿Õ mardedprice ±ê¼Û NUMBER(12,2) ¿Õ scale ÕÛ¿Û±ÈÂÊ NUMBER(5,4) ¿Õ lowestprice ×îµÍÕÛ¿Û¼Û NUMBER(12,2) ¿Õ */ create table hotel_t_Roomtype( typeid NUMBER primary key not null, --×ÔÔö typename VARCHAR2(20) not null, mardedprice NUMBER(12,2), scale NUMBER(5,4), lowestprice NUMBER(12,2) ) create sequence seq_hotel_t_Roomtype; create or replace trigger tir_hotel_Roomtype before insert or update on hotel_t_Roomtype for each row begin select seq_hotel_t_Roomtype.nextval into :new.typeid from dual; end; /*±íÃû hotel_t_Room£¨¿Í·¿ÐÅÏ¢±í£© ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ roomid ·¿ºÅ VARCHAR2(10) ·Ç¿Õ Ö÷¼ü typeid ÀàÐͱàºÅ NUMBER ¿Õ Íâ¼ü layer Â¥²ã VARCHAR2(20) ¿Õ bednumber ´²Î»Êý NUMBER ¿Õ state ״̬ NUMBER ·Ç¿Õ 0±íʾ¿ÕÏУ¬1±íʾÈëס£¬2±íʾԤÁô£¬Ä¬ÈÏΪ0*/ create table hotel_t_Room(--£¨¿Í·¿ÐÅÏ¢±í£© --ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ roomid VARCHAR2(10) primary key,-- ·Ç¿Õ Ö÷¼ü typeid NUMBER references hotel_t_Roomtype(typeid),-- ¿Õ Íâ¼ü layer VARCHAR2(20),-- ¿Õ bednumber NUMBER,-- ¿Õ state NUMBER default 0 check(state in (0,1,2)) not null --0±íʾ¿ÕÏУ¬1±íʾÈëס£¬2±íʾԤÁô£¬Ä¬ÈÏΪ0 ); /*3. Ô¤¶©¹ÜÀíÄ£¿é Ô¤¶©¹ÜÀíÖ÷Òª°üÀ¨µÇ¼Ç¿ÍÈ˵ÄÔ¤¶©ÐÅÏ¢£¬²éѯԤ¶©ÐÅÏ¢£¬Í¬Ê±»¹ÐèҪעÒâÔ¤¶©ÐÅÏ¢²»ÄܳöÏÖ³åÍ»ÏÖÏó£¬ÀýÈçÁ½¸ö¿ÍÈ˶¼Ô¤¶©ÁËͬһÌìµÄͬһ¸ö·¿¼ä£¬ÕâÊDz»ÔÊÐíµÄ£»´ËÍ⣬ÔÚ¿ìµ½Ô¤¶©Ê±È·¶¨µÄ¿ÍÈËÔ¤µÖʱ¼äʱ£¬½Ó´ýÈËÔ±Òª´òµç»°Ö¤Ã÷¿ÍÈËÊÇ·ñÄܰ´Ê±Èëס£¬Èç¹û²»ÄÜ£¬¾Í»á°ÑÔ¤¶©µ¥×÷·Ï£¬»òÕß³ÆÎªÊ§Ð§£» ±íÃû hotel_t_Predestine£¨Ô¤¶©ÐÅÏ¢±í£© ÁÐÃû ÃèÊö Êý¾ÝÀàÐÍ£¨¾«¶È·¶Î§£© ¿Õ/·Ç¿Õ Ô¼ÊøÌõ¼þ predid Ô¤¶©µ¥ºÅ CHAR(16) ·Ç¿Õ Ö÷¼ü roomid ·¿ºÅ VARCHAR2(10) ·Ç¿Õ whenpred Ô¤¶©Ê±¼ä DATE ·Ç¿Õ whopred Ô¤¶©ÈË VARCHAR2(20) ·Ç¿Õ phone ÁªÏµ·½Ê½ VARCHAR2(20) ·Ç¿Õ arrivetime Ô¤µÖʱ¼ä DATE ·Ç¿Õ leavetime Ô¤Àëʱ¼ä DATE ·Ç¿Õ trueprice ·¿¼Û NUMBER(12,2) state ״̬ NUMBER ·Ç¿Õ ȡֵ·¶Î§Îª0¡¢1ºÍ2£¬0±íʾÓÐЧ£¬1±íʾÈëס£¬2±íʾʧЧ£¬Ä¬ÈÏΪ0*/ crea