新使用者的建立、表的建立及增刪改查(Oracle)

來源:互聯網
上載者:User

---------------------------------

--建立一個新使用者

---------------------------------

create user hahaya

identified by hahaya

default tablespace users

temporary tablespace temp;

---------------------------------

--給hahaya使用者授權

---------------------------------

grant dba, sysdba to hahaya

with admin option;

---------------------------------

--建立一個表

---------------------------------

create table hahaya.book_book(

book_id int not null,

book_name varchar2(200),

book_price int,

primary key(book_id)

);

-----------------------------------------------------

--向表中插入資料

--使用第二中方式的時候提供的值一定要和表的欄位個數相等

------------------------------------------------------

insert into hahaya.book_book(book_id, book_name, book_price) values(1, 'thinking in c++', 80);

insert into hahaya.book_book values(2, 'The C++ Programming Language', 100);

-------------------------------------------------------

--查詢表中資料

-------------------------------------------------------

select * from hahaya.book_book;

 

-------------------------------------------------------

--更改表中某行資料

-------------------------------------------------------

update hahaya.book_book set book_price=90

where book_id=2;

select * from hahaya.book_book;

 

-----------------------------------------------

--刪除表中某行資料

-----------------------------------------------

delete from hahaya.book_book where book_id=2;

select * from hahaya.book_book;

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