Oracle11g: simple sql script examples

 

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---https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_8003.htm drop user geovin;   drop user geovindu;   create user geovindu identified by ORCA;   --oracle用户创建及权限设置 create user geovin identified by password default tablespace users quota 10m on users temporary tablespace temp password expire;   --創建用戶才有權限創建表 create user geovindu identified by password default tablespace users quota 10m on users temporary tablespace temp password expire;   alter user GEOVINDU account lock;   --组用户权限 grant create session to GEOVINDU;   grant create session to GEOVIN;     select username,user_id,account_status,default_tablespace,temporary_tablespace from dba_users where default_tablespace='USERS' AND account_status='OPEN'; --查看用戶 select username,user_id,account_status,default_tablespace,temporary_tablespace from dba_users where default_tablespace='USERS';   select username,user_id,account_status,default_tablespace,temporary_tablespace from dba_users where username='GEOVINDU';     select tablespace_name,bytes,max_bytes  from dba_ts_quotas;       --查询表是否存在 SELECT COUNT(*) FROM User_Tables t  WHERE t.table_name = upper('BookKindList');   drop table TestDu; --删除表   select * from TestDu;   declare tableCount number; begin    select count(1) into tableCount  from user_tables t where t.table_name = upper('TestDu'); --从系统表中查询当表是否存在    if tableCount  = 0 then --如果不存在，使用快速执行语句创建新表       execute immediate       'create table TestDu --创建测试表          (              TestID     number   not null,              TestName   varchar2(20)  not null           )';    end if; end;   delete from BookKindList;   drop table BookKindList;   truncate table BookKindList;   --书分类目录kind -- Geovin Du create table geovindu.BookKindList (     BookKindID INT   PRIMARY KEY,     BookKindName nvarchar2(500) not null,     BookKindParent INT  null,     BookKindCode varchar(100)   ---編號 ); --序列创建    drop SEQUENCE BookKindList_SEQ;   CREATE SEQUENCE geovindu.BookKindList_SEQ INCREMENT BY 1     -- 每次加几个 START WITH 1     -- 从1开始计数 NOMAXVALUE        -- 不设置最大值 NOCYCLE            -- 一直累加，不循环 NOCACHE;           --设置缓存cache个序列，如果系统down掉了或者其它情况将会导致序列不连续，也可以设置为---------NOCACHE   --自增长触发器  drop trigger BookKindList_ID_AUTO;      create or replace trigger geovindu.BookKindList_ID_AUTO   before insert on geovindu.BookKindList   --BookKindList 是表名   for each row declare   nextid number; begin   IF :new.BookKindID IS NULL or :new.BookKindID=0 THEN --BookKindID是列名     select geovindu.BookKindList_SEQ.Nextval --BookKindList_SEQ正是刚才创建的     into nextid     from dual;     :new.BookKindID:=nextid;   end if; end;      --对表的说明 comment on table geovindu.BookKindList is '书分类目录'; --对表中列的说明 comment on column geovindu.BookKindList.BookKindID is '目录ID'; comment on column geovindu.BookKindList.BookKindName is '目录名称'; comment on column geovindu.BookKindList.BookKindParent is '目录父ID'; comment on column geovindu.BookKindList.BookKindCode is '目录code';     declare gg nvarchar2(500):='geovindu2'; dd nvarchar2(500):='d'; begin select REPLACE(gg, chr(10), '') into dd from dual; dbms_output.put_line(dd); end;       insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('六福书目录',0,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('自然科学',1,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('社会科学',1,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('文学',3,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('设计艺术',3,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('小说',4,''); insert into geovindu.BookKindList(BookKindName,BookKindParent,BookKindCode) values('诗词散曲',4,'');   select * from geovindu.BookKindList;   SELECT * FROM geovindu.BookKindList ORDER BY BookKindID OFFSET 5 ROWS FETCH NEXT 6 ROWS ONLY;     SELECT * FROM geovindu.BookKindList ORDER BY BookKindID FETCH FIRST 5 ROWS ONLY;   --- SELECT * FROM   (SELECT BookKindID,   BookKindName,     BookKindParent,        ROW_NUMBER() OVER (ORDER BY BookKindID) R   FROM geovindu.BookKindList   WHERE BookKindID >= 1   ) WHERE R >= 1 AND R   <= 15;     declare pageNumber int:=1; pageSize int:=3; begin SELECT * FROM (     SELECT a.*, rownum r__     FROM     (         SELECT * FROM geovindu.BookKindList WHERE BookKindName LIKE 'A%'         ORDER BY BookKindID DESC, BookKindName DESC     ) a     WHERE rownum < ((pageNumber * pageSize) + 1 ) )   WHERE r__ >= (((pageNumber-1) * pageSize) + 1) end;       select * from geovindu.BookKindList where BookKindName='文学'; update geovindu.BookKindList set BookKindName='计算机' where BookKindID=1; --DISTINCT  not in declare temvar nvarchar2(200):='哲学'; namevar int; begin select count(*) into namevar from geovindu.BookKindList T1 where exists (select BookKindName  from geovindu.BookKindList T2 where T1.BookKindName = temvar ); --not  exist除它自身之外的个数，exists自身的个数   dbms_output.put_line('value'||namevar);  if namevar<=0 then  begin     insert into geovindu.BookKindList(BookKindName,BookKindParent) values(temvar,0);     dbms_output.put_line('insert'||namevar);  end;  else  begin       select BookKindID into namevar from geovindu.BookKindList where BookKindName=temvar;      update geovindu.BookKindList set BookKindName=temvar where BookKindID=namevar;     dbms_output.put_line('update  '||namevar);  end;  end if; end;   declare temvar nvarchar2(200):='文学'; namevar int; begin if exists  (select BookKindName  from geovindu.BookKindList T2 where T1.BookKindName = temvar ) then  --不可以exists     dbms_output.put_line('update'||namevar); else    dbms_output.put_line('value'||namevar); end if; end;   --书藉位置Place目录  drop table geovindu.BookPlaceList;      create table geovindu.BookPlaceList (     BookPlaceID INT  PRIMARY KEY,  --NUMBER     BookPlaceName nvarchar2(500) not null,     BookPlaceCode varchar(100) null,        --位置編碼     BookPlaceParent INT  null     --BookPlaceKindId nvarchar(500) null       --放置目录範圍ID );   select * from geovindu.BookPlaceList; ----自动增长ID --序列创建 drop SEQUENCE geovindu.BookPlaceList_SEQ;   CREATE SEQUENCE geovindu.BookPlaceList_SEQ INCREMENT BY 1     -- 每次加几个 START WITH 1     -- 从1开始计数 NOMAXVALUE        -- 不设置最大值 NOCYCLE            -- 一直累加，不循环 NOCACHE;           --设置缓存cache个序列，如果系统down掉了或者其它情况将会导致序列不连续，也可以设置为---------NOCACHE         SELECT geovindu.BookPlaceList_SEQ.Currval FROM DUAL;   SELECT geovindu.BookPlaceList_SEQ.Nextval FROM DUAL;     --自增长触发器 drop TRIGGER geovindu.BookPlaceList_ID_AUTO;   CREATE OR REPLACE TRIGGER geovindu.BookPlaceList_ID_AUTO BEFORE INSERT ON geovindu.BookPlaceList FOR EACH ROW BEGIN SELECT geovindu.BookPlaceList_SEQ.NEXTVAL INTO :NEW.BookPlaceID FROM DUAL; END;         --自增长触发器      create or replace trigger geovindu.BookPlaceList_ID_AUTO   before insert on geovindu.BookPlaceList   --BookPlaceList 是表名   for each row declare   nextid number; begin   IF :new.BookPlaceID IS NULL or :new.BookPlaceID=0 THEN --BookPlaceID是列名     select geovindu.BookPlaceList_SEQ.Nextval --BookPlaceList_SEQ正是刚才创建的     into nextid     from dual;     :new.BookPlaceID:=nextid;   end if; end;  -- BookPlaceList_ID_AUTO    --添加 insert into geovindu.BookPlaceList(BookPlaceName,BookPlaceCode,BookPlaceParent) values('图书位置目录','',0);    insert into geovindu.BookPlaceList(BookPlaceName,BookPlaceCode,BookPlaceParent) values('第一柜','',1); insert into geovindu.BookPlaceList(BookPlaceName,BookPlaceCode,BookPlaceParent) values('第二柜','',1);   insert into geovindu.BookPlaceList(BookPlaceName,BookPlaceCode,BookPlaceParent) values('第三柜','',1);   select * from geovindu.BookPlaceList;   -- CREATE TABLE geovindu.YearNames (   YearNameID INT  PRIMARY KEY,   YearName varchar(50) NOT NULL );   --书系列Series或套名称（一本的0.无，有分上下本） create table geovindu.BookSeriesList (     BookSeriesID  INT  PRIMARY KEY,  --INTEGERint     BookSeriesName nvarchar2(500) not null );   --序列创建 CREATE SEQUENCE geovindu.BookSeriesList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.BookSeriesList_ID_AUTO   before insert on geovindu.BookSeriesList   --表名   for each row declare   nextid number; begin   IF :new.BookSeriesID IS NULL or :new.BookSeriesID=0 THEN --ID是列名     select geovindu.BookSeriesList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.BookSeriesID:=nextid;   end if; end;       --職位Position， create table geovindu.PositionList (     PositionID INT  PRIMARY KEY,     PositionName nvarchar2(500) not null );   --部門Department create table geovindu.DepartmentList (     DepartmentID INT  PRIMARY KEY,     DepartmentName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.DepartmentList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.DepartmentList_ID_AUTO   before insert on geovindu.DepartmentList   --表名   for each row declare   nextid number; begin   IF :new.DepartmentID IS NULL or :new.DepartmentID=0 THEN --ID是列名     select geovindu.DepartmentList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.DepartmentID:=nextid;   end if; end;   --語种 Language create table geovindu.LanguageList (     LanguageID INT PRIMARY KEY,     LanguageName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.LanguageList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.LanguageList_ID_AUTO   before insert on geovindu.LanguageList   --表名   for each row declare   nextid number; begin   IF :new.LanguageID IS NULL or :new.LanguageID=0 THEN --ID是列名     select geovindu.LanguageList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.LanguageID:=nextid;   end if; end;     --出版社Press create table geovindu.PressList (     PressID INT PRIMARY KEY,     PressName nvarchar2(500) not null     --拼音索引 ); --序列创建 CREATE SEQUENCE geovindu.PressList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.PressList_ID_AUTO   before insert on geovindu.PressList   --表名   for each row declare   nextid number; begin   IF :new.PressID IS NULL or :new.PressID=0 THEN --ID是列名     select geovindu.PressList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.PressID:=nextid;   end if; end; --判断表是否存在 SELECT COUNT(*) FROM geovindu.User_Tables t WHERE t.table_name = upper('AuthorList');   --作家Author create table geovindu.AuthorList (     AuthorID INT PRIMARY KEY,     AuthorName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.AuthorList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.AuthorList_ID_AUTO   before insert on geovindu.AuthorList   --表名   for each row declare   nextid number; begin   IF :new.AuthorID IS NULL or :new.AuthorID=0 THEN --ID是列名     select geovindu.AuthorList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.AuthorID:=nextid;   end if; end; --BookStatus 书藉存在状态（1，在用，2，报废，3。转移） create table geovindu.BookStatusList (     BookStatusID INT PRIMARY KEY,     BookStatusName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.BookStatusList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.BookStatusList_ID_AUTO   before insert on geovindu.BookStatusList   --表名   for each row declare   nextid number; begin   IF :new.BookStatusID IS NULL or :new.BookStatusID=0 THEN --ID是列名     select geovindu.BookStatusList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.BookStatusID:=nextid;   end if; end; --借阅状态：借出，续借，归还，预借 create table geovindu.LendStatusList (     LendStatusID INT  PRIMARY KEY,     LendStatusName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.LendStatusList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器      create or replace trigger geovindu.LendStatusList_ID_AUTO   before insert on geovindu.LendStatusList   --表名   for each row declare   nextid number; begin   IF :new.LendStatusID IS NULL or :new.LendStatusID=0 THEN --ID是列名     select geovindu.LendStatusList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.LendStatusID:=nextid;   end if; end;   drop table geovindu.DielectricList; --图书介质（纸质，光盘，硬盘，网络）DielectricMaterials create table geovindu.DielectricList (     DielectricID INT  PRIMARY KEY,     DielectriName nvarchar2(500) not null ); --序列创建 CREATE SEQUENCE geovindu.DielectricList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.DielectricList_ID_AUTO   before insert on geovindu.DielectricList   --表名   for each row declare   nextid number; begin   IF :new.DielectricID IS NULL or :new.DielectricID=0 THEN --ID是列名     select geovindu.DielectricList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.DielectricID:=nextid;   end if; end;   --角色或權限類型Permission create table geovindu.PermissionList (     PermissionID INT  PRIMARY KEY,     PermissionName nvarchar2(500) not null,     PermissionDesc NCLOB null ); --序列创建 CREATE SEQUENCE geovindu.PermissionList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.PermissionList_ID_AUTO   before insert on geovindu.PermissionList   --表名   for each row declare   nextid number; begin   IF :new.PermissionID IS NULL or :new.PermissionID=0 THEN --ID是列名     select geovindu.PermissionList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.PermissionID:=nextid;   end if; end;   ---菜单列表，用于控制权限 create table geovindu.PermissionMenu (     PermissionMenuID INT  PRIMARY KEY,  --IDENTITY(1,1)     PermissionMenuName nvarchar2(500) not null,     PermissionMenuParent int null ); --序列创建 CREATE SEQUENCE geovindu.PermissionMenu_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.PermissionMenu_ID_AUTO   before insert on geovindu.PermissionMenu   --表名   for each row declare   nextid number; begin   IF :new.PermissionMenuID IS NULL or :new.PermissionMenuID=0 THEN --ID是列名     select geovindu.PermissionMenu_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.PermissionMenuID:=nextid;   end if; end;   ---找回密码问类型Question Answer create table geovindu.QuestionTypeList (     QuestionTypeID INT  PRIMARY KEY,     QuestionTypeName nvarchar2(500) not null );   --序列创建 CREATE SEQUENCE geovindu.QuestionTypeList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.QuestionTypeList_ID_AUTO   before insert on geovindu.QuestionTypeList   --表名   for each row declare   nextid number; begin   IF :new.QuestionTypeID IS NULL or :new.QuestionTypeID=0 THEN --ID是列名     select geovindu.QuestionTypeList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.QuestionTypeID:=nextid;   end if; end;     drop table geovindu.StaffReaderList; --职员信息Reader  staff member IC卡号（卡换了，卡号不一样），员工号，职位，部门,如果职员换岗或离职了，这个问题如何解决记录关联问题 create table geovindu.StaffReaderList (     StaffReaderID INT  PRIMARY KEY,     StaffReaderIC varchar(100) not null,            --员工工牌IC号     StaffReaderNO varchar(20) not null,             --员工编号     StaffReaderName nvarchar2(500) not null,            --员工姓名     StaffReaderImage BFILE null,     StaffReaderDepartment int,      CONSTRAINT fky_StaffReaderDepartment             FOREIGN KEY(StaffReaderDepartment) REFERENCES geovindu.DepartmentList(DepartmentID),--员工所属部门（外键）   ON DELETE SET NULL   ON DELETE CASCADE       StaffReaderPosition   int,      CONSTRAINT fky_StaffReaderPosition             FOREIGN KEY(StaffReaderPosition) REFERENCES geovindu.PositionList(PositionID),  --职位Position（外键）       StaffReaderMobile varchar(50) null,               --手机     StaffReaderTel varchar(200) null,               --电话，     StaffReaderSkype varchar(50) null,              ---     StaffReaderQQ varchar(50) null,                 --     StaffReaderEmail varchar(100) null,             --电子邮件     StaffReaderIsJob char check (StaffReaderIsJob in ('N','Y')),                --是否離職     StaffReaderOperatorID int,     CONSTRAINT fky_StaffReaderOperatorID              FOREIGN KEY(StaffReaderOperatorID) REFERENCES  geovindu.BookAdministratorList(BookAdminID),--操作人员ID（添加记录的人员）（外键）     StaffReaderDatetime TIMESTAMP  --               );   --序列创建 CREATE SEQUENCE geovindu.StaffReaderList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.StaffReaderList_ID_AUTO   before insert on geovindu.StaffReaderList   --表名   for each row declare   nextid number; begin   IF :new.StaffReaderID IS NULL or :new.StaffReaderID=0 THEN --ID是列名     select geovindu.StaffReaderList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.StaffReaderID:=nextid;   end if; end;     --权限类型列表，也是系统操作的窗口功能的详细列表BookAdminPermissTypeList create table geovindu.BookAdminPermissTypeList (     AdminPermissTypeID INT  PRIMARY KEY,     AdminPermissParent int null,                        --父类型     AdminPermissTypeName nvarchar2(300) not null,       AdminPermissTypeDesc NCLOB null,                    --权限描述      AdminPermissFormName varchar(100) null              --窗口名稱 );   --序列创建 CREATE SEQUENCE geovindu.AdminPermissTypeList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.AdminPermissTypeList_ID_AUTO   before insert on geovindu.BookAdminPermissTypeList   --表名   for each row declare   nextid number; begin   IF :new.AdminPermissTypeID IS NULL or :new.AdminPermissTypeID=0 THEN --ID是列名     select geovindu.AdminPermissTypeList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.AdminPermissTypeID:=nextid;   end if; end;     --權限公配錶 listview treeview  check create table geovindu.BookAdminPermissionrList (     BookAdminPermissID INT  PRIMARY KEY,     BookAdminPermissKey int,   CONSTRAINT fky_BookAdminPermiss             FOREIGN KEY(BookAdminPermissKey) REFERENCES geovindu.BookAdministratorList(BookAdminID) ON DELETE CASCADE,              --管理员ID     BookAdminPermissDesc NCLOB null                 --权限分配ID    );   CREATE SEQUENCE geovindu.AdminPermissionrList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.AdminPermissionrList_ID_AUTO   before insert on geovindu.BookAdminPermissionrList   --表名   for each row declare   nextid number; begin   IF :new.BookAdminPermissID IS NULL or :new.BookAdminPermissID=0 THEN --ID是列名     select geovindu.AdminPermissionrList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.BookAdminPermissID:=nextid;   end if; end;     --还有一种方式是角色快速分配权限,先固定角色類型分配權限，再角色設置權限   PermissionList create table geovindu.PermissionAssignmentList (     PermissionAssignmentID INT PRIMARY KEY,     PermissionAssignmentKey int,   CONSTRAINT fky_PermissionAssignment             FOREIGN KEY(PermissionAssignmentKey) REFERENCES geovindu.PermissionList(PermissionID),  --角色ID     PermissionAssignmentDesc NCLOB null                     --权限分配ID    );   CREATE SEQUENCE geovindu.PermissionAssignment_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.PermissionAssignment_ID_AUTO   before insert on geovindu.PermissionAssignmentList   --表名   for each row declare   nextid number; begin   IF :new.PermissionAssignmentID IS NULL or :new.PermissionAssignmentID=0 THEN --ID是列名     select geovindu.PermissionAssignment_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.PermissionAssignmentID:=nextid;   end if; end;   --权限管理 AuthorizationManagement create table geovindu.BookAdministratorList (    BookAdminID INT  PRIMARY KEY,    BookAdminIC varchar(100) not null,               --员工工牌IC号（换了卡，号会改变的）    BookAdminNO varchar(20) not null,                --员工编号    BookAdminName nvarchar2(500) not null,           --员工姓名    BookAdminEmail varchar(100) null,                --电子邮件    BookAdminQQ varchar(50) null,                    --    BookAdminSkype varchar(50) null,                 --    BookAdminPassword nvarchar2(100) not null,       --密码    BookAdminQuestion int,     CONSTRAINT fky_AdminQuestionID                FOREIGN KEY(BookAdminQuestion) REFERENCES geovindu.QuestionTypeList(QuestionTypeID), --找迴密碼類型(外鍵）    BookAdminAnswer nvarchar2(300) null,             --找迴密碼答題    BookAdminIs  char check (BookAdminIs in ('N','Y')),              --是否在职    BookAdminPermission  int,    CONSTRAINT fky_PermissionID               FOREIGN KEY (BookAdminPermission) REFERENCES  geovindu.PermissionList(PermissionID),  --权限范围(录入人员，盘点人员，申请书报销人员，批准人员，审核人员等）(角色或權限類型外鍵）        BookAdminDate TIMESTAMP );   CREATE SEQUENCE geovindu.AdministratorList_SEQ INCREMENT BY 1     START WITH 1     NOMAXVALUE        NOCYCLE           NOCACHE;          --自增长触发器 (名称不能超过三十个字符)     create or replace trigger geovindu.BookAdministratorList_ID_AUTO   before insert on geovindu.BookAdministratorList   --表名   for each row declare   nextid number; begin   IF :new.BookAdminID IS NULL or :new.BookAdminID=0 THEN --ID是列名     select geovindu.AdministratorList_SEQ.Nextval --_SEQ正是刚才创建的     into nextid     from dual;     :new.BookAdminID:=nextid;   end if; end;     --2、创建主键 ALTER TABLE geovindu.BookAdministratorList   ADD CONSTRAINT pk_BookAdminQuestion   PRIMARY KEY (BookAdminQuestion) USING INDEX ;     --3、创建Unique约束 ALTER TABLE geovindu.BookAdministratorList   ADD CONSTRAINT uk_students_license   UNIQUE (state, license_no) USING INDEX ; --4、创建Check约束 ALTER TABLE geovindu.BookAdministratorList ADD CONSTRAINT ck_students_st_lic    CHECK ((state IS NULL AND license_no IS NULL) OR           (state IS NOT NULL AND license_no is NOT NULL)); --5、创建外键约束 ALTER TABLE geovindu.BookAdministratorList   ADD CONSTRAINT fk_students_state   FOREIGN KEY (state) REFERENCES state_lookup (state);   --开启屏幕输出显示 -- SET SERVEROUTPUT ON; --显示当前日期与时间 BEGIN   DBMS_OUTPUT.PUT_LINE('现在的日期时间：');   --显示信息不换行   DBMS_OUTPUT.PUT('今天是：');   --显示信息并换行   DBMS_OUTPUT.PUT_LINE(TO_CHAR(SYSDATE,'DAY'));   DBMS_OUTPUT.PUT('现在时间是： ');   DBMS_OUTPUT.PUT_LINE(TO_CHAR(SYSDATE,'YYYY-MM-DD HH24:MI:SS'));  END;