--"oracle.jdbc.OracleDriver";
--"jdbc:oracle:thin:@localhost:1521:orcl";
select * from Dba_Tablespaces; --查看所有表空间
select table_name from all_all_tables where tablespace_name='SPAC1'; --查找某个表空间下的表:注意,条件名称一定要大写
select tablespace_name from all_all_tables where table_name='ORCL_BOOK' --查看某表所在表空间
select * from dba_users; --查找所有账户
--
select * from all_views;
select * from dba_views;
select * from user_views;
--
select * from all_synonyms;
select * from dba_synonyms;
select * from user_synonyms;
--
select * from all_indexes;
select * from dba_indexes;
select * from user_indexes;
--
select * from all_sequences;
select * from dba_sequences;
select * from user_sequences;
--
--创建表空间:
create tablespace spac1
datafile 'c:\spac1.dbf'
size 2m
autoextend on --autoextend off 开启或关闭自动增长
next 1m --每次增长1m,最大增长到20m
maxsize 20m;
--创建用户
create user my_user1 identified by myuser1 default tablespace spac1;
grant connect,resource to my_user1; --revoke移除权限,Oracle中具体权限表************
--资源文件:创建资源文件的作用是为XXX用户创建限制,如登录时输入3次密码错误,将锁定该用户等
create profile myuser1_profile limit
sessions_per_user unlimited
cpu_per_session unlimited
cpu_per_call unlimited
connect_time unlimited
idle_time unlimited
logical_reads_per_session unlimited
logical_reads_per_call unlimited
composite_limit unlimited
private_sga unlimited
failed_login_attempts 10
password_life_time 180
password_reuse_time unlimited
password_reuse_max unlimited
password_lock_time 1
password_grace_time 7
password_verify_function Null;
--
alter user my_user1 profile myuser1_profile --为用户配置所使用的资源文件
--
--创建表
--伪列:这是一个重要的对象,在Oracle数据库的每一张表中存在着两列隐藏列,列名分别是:rowid、rownum分别指示物理id和行id。通过select * from 表名;是查询不到这两列的内容的。
--伪列存在的作用是增大查询效率和辅助完成特定需求,如分页等
--select rowid,rownum,title from Orcl_Book;
create table Orcl_Book(
BookClassID number primary key,
Title varchar2(50) not null unique,
Author varchar2(50),
ISBN varchar2(50),
CBFXX varchar2(50),
ZTXX varchar2(50),
DTZRZ varchar2(50),
ZRZ varchar2(50),
ZGTSFLFH varchar2(50),
KTTSFLFH varchar2(50),
LTZT varchar2(50),
FZX varchar2(200),
CBSJ date,
DJ number(10,2),
PCJE number(10,2)
);
insert into Orcl_Book(Title) values('三国演义');
insert into Orcl_Book(Title) values('三国演义2');
select * from Orcl_Book;
--
create table Orcl_StorePlace(
StoreID number primary key,
MC varchar2(50),
WZ varchar2(200),
FZR varchar2(50),
SM varchar2(200)
);
--
create table Orcl_Store(
BookID number primary key,
BookClassID number,
StoreID number,
SQH varchar2(50) not null unique,
TMH varchar2(50),
NJH varchar2(50),
ZT varchar2(50) not null unique,
RGSJ date not null unique
);
alter table Orcl_Store add(
Constraint Store_Book_fk foreign key(BookClassID) references Orcl_Book(BookClassID),
Constraint Store_StorePlace_fk foreign key(StoreID) references Orcl_StorePlace(StoreID)
);
--
create table Orcl_Reader(
ReaderId number primary key,
ZJH varchar2(50),
GH varchar2(50),
BZRQ date,
SXRQ date,
GQRQ date,
YJ number(10,2),
SXF number(10,2),
LJJS number,
RuleID number,
ZT varchar2(50)
);
alter table Orcl_Reader add(
Constraint Reader_Rule_fk foreign key(RuleID) references Orcl_Rule(RuleID)
);
--
create table Orcl_Rule(
RuleID number primary key,
GZMC varchar2(50),
KJYTS number,
KJYGCDID varchar2(50),
KXJTS number,
KXJCS number,
KYYSJ number
);
--
create table Orcl_JYB(
JYID number primary key,
ReaderID number,
BookID number,
JYSJ date,
DQSJ date,
GHRQ date,
ZT varchar2(50),
XJCS number
);
alter table Orcl_JYB add(
Constraint JYB_Reader_fk foreign key(ReaderID) references Orcl_Reader(ReaderID),
Constraint JYB_Store_fk foreign key(BookID) references Orcl_Store(BookID)
);
--
create table Orcl_CFB(
CFID number primary key,
ReaderID number,
BookID number,
CFYY varchar2(50),
CFJG varchar2(50),
FKJE number(10,2),
ZT varchar2(50)
);
alter table Orcl_CFB add(
Constraint CFB_Reader_fk foreign key(ReaderId) references Orcl_Reader(ReaderID),
constraint CFB_Store_fk foreign key(BookID) references Orcl_Store(BookID)
);
--
--序列
--create sequence [方案] 序列名称
--[increment by 整数] :指定序列增量
--[start with 整数] :起始值
--[maxvalue 整数 | nomaxvalue ] :是否有最大值约束
--[minvalue 整数 | nominvalue ] :是否有最小值约束
--[cycle 整数 | nocycle ] :数字到达最大/最小值时序列是否重新开始
--cache :缓存中保存的序列整数的数量
--使用序列:
--select my_sequence.currval from dual;查询当前值
--my_sequence.nextval 序列下一个值;
--eg:
select XL_BOOKCLASSID.currval from dual;
--
create sequence XL_BookClassID
increment by 1
start with 1
nomaxvalue
--
create sequence XL_StoreID
increment by 1
start with 1
--
create sequence XL_BookID
increment by 1
start with 1
--
create sequence XL_ReaderID
increment by 1
start with 1
--
create sequence XL_RuleID
increment by 1
start with 1
--
create sequence XL_JYID
increment by 1
start with 1
--
create sequence XL_CFID
increment by 1
start with 1
--
--存储过程
--create or replace procedure 过程名称(
-- sno in number default 20, :输入参数,可以通过default设置参数默认值
-- res out number :输出参数
-- :(in out)还可以拥有双向参数
--)
--is
-- 声明语句段;
-- [异常名1 exception;]
--begin
-- 执行语句段;
-- ......
-- [raise 异常名1;] :抛出异常
--exception
--
-- when 异常名1 then
-- 异常处理语句段1;
--end [过程名];
--说明:
--or replace:是可选项,如果同名的过程已经存在则覆盖原有过程。
--过程是命名的PL/SQL代码块,用is(as)关键字替代了declare作为声明语句段的开始。
--使用:
--要执行创建的过程,可以通过PL/SQL主程序或其他过程来调用;也可以在命令行工具中通过“execute 过程名”来调用执行。
--1.
-- begin
-- myproc;
-- end;
--2.
-- SQL>execute myproc;
--
create or replace procedure Ins_Orcl_Book (
Title in varchar2,
Author in varchar2,
ISBN in varchar2,
CBFXX in varchar2,
ZTXX in varchar2,
DTZRZ in varchar2,
ZRZ in varchar2,
ZGTSFLFH in varchar2,
KTTSFLFH in varchar2,
LTZT in varchar2,
FZX in varchar2,
CBSJ in date,
DJ in number,
PCJE in number
-- 14
)
is
begin
insert into Orcl_Book(Title, Author, ISBN, CBFXX, ZTXX, DTZRZ, ZRZ, ZGTSFLFH, KTTSFLFH, LTZT, FZX, CBSJ, DJ,PCJE) values(Title, Author, ISBN, CBFXX, ZTXX, DTZRZ, ZRZ, ZGTSFLFH, KTTSFLFH, LTZT, FZX, CBSJ, DJ,PCJE);
end;
--
--函数
--create or replace function 函数名(参数名 参数类型,......)
--return 返回值类型
--is
--begin
--end [函数名];
--
create or replace function Sel_Orcl_Book_1(a number) --:需要注意的是,函数必须有至少一个参数,即使不需要
return sys_refcursor --:需要注意的是,函数必须有一个返回值
is
cur sys_refcursor;
begin
open cur for select * from Orcl_Book; --此种写法是固定的@************** 查询时使用游标 ******************@
return cur;
end;
--执行函数
declare
cur sys_refcursor;
rowone Orcl_Book%rowtype;
begin
cur:=Sel_Orcl_Book_1(1);
loop
fetch cur into rowone;
exit when cur%notfound;
dbms_output.put_line(rowone.title);
end loop;
close cur;
end;
--
--Oracle中提供的常用函数:
--1.单行SQL字符函数
--:ABS(n) 返回n的绝对值
--:ACOS()
--游标
--:游标换句话说就是查询出的结果集,通过游标我们更方便函数、存储过程等的编写,应用更方便。
--基本用法分4步
--1.定义游标 CURSOR cursor_name IS select语句;
--2.打开游标 OPEN cursor_name;
--3.取值 FETCH cursor_name INTO variable[,variable]......;
-- 取值一般是个循环的过程,所以应用是一般需要结合循环语句一起使用。
--4.关闭游标 CLOSE cursor_name;
--游标的4个重要属性:
--%FOUND %NOTFOUND %ROWCOUNT %ISOPEN
--:游标的2中应用
--:1 见函数 Sel_Orcl_Book_1(0);【上】:open cur_name for select语句:--
--:2
declare
cursor cur is select * from Orcl_Book;
rowone Orcl_Book%rowtype;
begin
open cur;
loop
fetch cur into rowone;
exit when cur%notfound;
dbms_output.put_line(rowone.title);
end loop;
close cur;
end;
--
--
--2种数据类型:
--1:Oracle提供的数据类型
--字符数据类型:char(n)、varchar2(n)、long
--数字数据类型:number(m,n)
--日期数据类型:date
--大对象数据类型:blob、clob、nclob
--Bfile数据类型
--其他:raw(n)、long row
--返回某列的数据类型(xxx表示列名):xxx%type
--返回某条记录对象类型(即表的一行记录为一个对象)(xxx表示表名):xxx%rowtype
--2:自定义数据类型
--type ty_name is record(
-- stuID students.stu_id%type,
-- stuName varchar2
--);
--使用:myStu ty_name;
--#-包:略!
--触发器
--分三类:::before、after、instead of
--before :表示在数据库动作之前触发器执行
--after :表示在数据库动作之后触发器执行
--instead of:触发器能将数据库动作替换为其他操作
--
--创建触发器:
--create or replace trigger 触发器名
--after|before|instead of
--[insert] [[or] update [of column_list]] | [[or] delete] on 表名/视图名
--[for each row] :对表的每一行触发器执行一次,如果没有这一行,表示对整个表执行一次
--[when (条件)]
--PL/SQL语句
--触发器示例,为[XXX]表实现自增长列
create or replace trigger TRI_XL_BookClassID
before insert on Orcl_Book
for each row
when ( NEW.BookClassID is null )
begin
select XL_BookClassID.Nextval into :NEW.BookClassID from dual;
end;
--
create or replace trigger TRI_XL_StoreID
before insert on Orcl_StorePlace
for each row
when ( NEW.StoreID is null )
begin
select XL_StoreID.Nextval into :NEW.StoreID from dual;
end;
--
create or replace trigger TRI_XL_BookID
before insert on Orcl_Store
for each row
when ( NEW.BookID is null )
begin
select XL_BookID.Nextval into :NEW.BookID from dual;
end;
--
create or replace trigger TRI_XL_ReaderID
before insert on Orcl_Reader
for each row
when ( NEW.ReaderID is null )
begin
select XL_ReaderID.Nextval into :NEW.ReaderID from dual;
end;
--
create or replace trigger TRI_XL_RuleID
before insert on Orcl_Rule
for each row
when ( NEW.RuleID is null )
begin
select XL_RuleID.Nextval into :NEW.RuleID from dual;
end;
--
create or replace trigger TRI_XL_JYID
before insert on Orcl_JYB
for each row
when ( NEW.JYID is null )
begin
select XL_JYID.Nextval into :NEW.JYID from dual;
end;
--
create or replace trigger TRI_XL_CFID
before insert on Orcl_Cfb
for each row
when ( NEW.CFID is null )
begin
select XL_CFID.Nextval into :NEW.CFID from dual;
end;
--
---其他存储过程
create or replace procedure Ins_Orcl_StorePlace (
MC in varchar2,
WZ in varchar2,
FZR in varchar2,
SM in varchar2
--:4
)
is
begin
insert into Orcl_StorePlace(MC, WZ, FZR, SM) values(MC, WZ, FZR, SM);
end;
--
create or replace procedure Ins_Orcl_Store (
BookClassID in number,
StoreID in number,
SQH in varchar2,
TMH in varchar2,
NJH in varchar2,
ZT in varchar2,
RGSJ in date
--:7
)
is
begin
insert into Orcl_Store(BookClassID, StoreID, SQH, TMH, NJH, ZT, RGSJ) values(BookClassID, StoreID, SQH, TMH, NJH, ZT, RGSJ);
end;
--
create or replace procedure Ins_Orcl_Reader(
ZJH in varchar2,
GH in varchar2,
BZRQ in date,
SXRQ in date,
GQRQ in date,
YJ in number,
SXF in number,
LJJS in number,
RuleID in number,
ZT in varchar2
)
is
begin
insert into Orcl_Reader(ZJH, GH, BZRQ, SXRQ, GQRQ, YJ, SXF, LJJS, RuleID, ZT) values(ZJH, GH, BZRQ, SXRQ, GQRQ, YJ, SXF, LJJS, RuleID, ZT);
end;
--
create or replace procedure Ins_Orcl_Rule(
GZMC in varchar2,
KJYTS in number,
KJYGCDID in varchar2,
KXJTS in number,
KXJCS in number,
KYYSJ in number
)
is
begin
insert into Orcl_Rule(GZMC, KJYTS, Kjygcdid, Kxjts, Kxjcs, Kyysj) values(GZMC, KJYTS, Kjygcdid, Kxjts, Kxjcs, Kyysj);
end;
--
create or replace procedure Ins_Orcl_JYB(
ReaderID number,
BookID number,
JYSJ date,
DQSJ date,
GHRQ date,
ZT varchar2,
XJCS number
)
is
begin
insert into Orcl_Jyb(ReaderID, Bookid, Jysj, Dqsj, Ghrq, Zt, Xjcs) values(ReaderID, Bookid, Jysj, Dqsj, Ghrq, Zt, Xjcs);
end;
--
create or replace procedure Ins_Orcl_CFB(
ReaderID number,
BookID number,
CFYY varchar2,
CFJG varchar2,
FKJE number,
ZT varchar2
)
is
begin
insert into orcl_cfb(readerid, bookid, cfyy, cfjg, fkje, zt) values(readerid, bookid, cfyy, cfjg, fkje, zt);
end;
--
Oracle学习笔记
最新推荐文章于 2022-08-26 09:28:30 发布