oracle中scott用户dept表,oracle下scott用户的四张表(emp,dept,bonus,salgrade)的建表语句:-Oracle...

scott用户的四张表(emp,dept,bonus,salgrade)的建表语句

emp

-- Create table

create table EMP

(

empno NUMBER(4) not null,

ename VARCHAR2(10),

job VARCHAR2(9),

mgr NUMBER(4),

hiredate DATE,

sal NUMBER(7,2),

comm NUMBER(7,2),

deptno NUMBER(2)

)

tablespace USERS

pctfree 10

initrans 1

maxtrans 255

storage

(

initial 64K

next 1M

minextents 1

maxextents unlimited

);

-- Create/Recreate primary, unique and foreign key constraints

alter table EMP

add constraint PK_EMP primary key (EMPNO)

using index

tablespace USERS

pctfree 10

initrans 2

maxtrans 255

storage

(

initial 64K

next 1M

minextents 1

maxextents unlimited

);

alter table EMP

add constraint FK_DEPTNO foreign key (DEPTNO)

references DEPT (DEPTNO);

dept

-- Create table

create table DEPT

(

deptno NUMBER(2) not null,

dname VARCHAR2(14),

loc VARCHAR2(13)

)

tablespace USERS

pctfree 10

initrans 1

maxtrans 255

storage

(

initial 64K

next 1M

minextents 1

maxextents unlimited

);

-- Create/Recreate primary, unique and foreign key constraints

alter table DEPT

add constraint PK_DEPT primary key (DEPTNO)

using index

tablespace USERS

pctfree 10

initrans 2

maxtrans 255

storage

(

initial 64K

next 1M

minextents 1

maxextents unlimited

);

bonus

-- Create table

create table BONUS

(

ename VARCHAR2(10),

job VARCHAR2(9),

sal NUMBER,

comm NUMBER

)

tablespace USERS

pctfree 10

initrans 1

maxtrans 255;

salgrade

-- Create table

create table SALGRADE

(

grade NUMBER,

losal NUMBER,

hisal NUMBER

)

tablespace USERS

pctfree 10

initrans 1

maxtrans 255

storage

(

initial 64K

next 1M

minextents 1

maxextents unlimited

);