Database oracle数据库,插入数据
我正在使用Oracle 11g表:Database oracle数据库,插入数据,database,oracle,user-defined-types,Database,Oracle,User Defined Types,我正在使用Oracle 11g表: create or replace type address as object ( street varchar2(20), city varchar2(10), p_code varchar2(8) ) not final; / create or replace type name as object ( title varchar2(5), firstName varchar2(8), sur
create or replace type address as object (
street varchar2(20),
city varchar2(10),
p_code varchar2(8)
) not final;
/
create or replace type name as object (
title varchar2(5),
firstName varchar2(8),
surname varchar2(8)
) not final;
/
create or replace type phone as object
(
homePhone int,
mobile1 int,
mobile2 int
) not final;
/
create or replace type person as object (
pname name,
pAddress address,
Pphone phone
) not final;
/
create or replace type employee under person (
empId varchar2(5),
position varchar2(16),
salary int,
joinDate date,
supervisor ref employee);
/
create table tb_employee of employee
(
primary key(empID)
)
/
我插入的数据
insert into tb_employee values
(
person(name('mr','jone','smith'),address('street','city','post
code'),phone('11111111111','22222222222','33333333333')),
position('head'),
salary(1111),
joinDate(12-Feb-1994),
empID('001')
)
insert into tb_employee values
(
person(name('mr','jane','smith'),address('street','city','post
code'),phone('11111111111','22222222222','33333333333')),
position('accountant'),
salary(2222,
joinDate(13-Feb-1995),
empID('002')
)
insert into tb_employee values
(
person(name('miss','ross','smith'),address('street','city','post
code'),phone('11111111111','22222222222','33333333333')),
position(manager),
salary(333),
joinDate(14-Feb-1996),
empID('003')
)
我想使用引用函数将supervisor插入数据
例如:
因为head(jone smith)是主管或经理(ross smith小姐)
经理(罗斯·史密斯小姐)是会计主管(简·史密斯先生)
谢谢 您正在插入
employee
类型的记录:这适用于整个记录,因此您需要编写一个与该类型的投影匹配的VALUES子句
要填充REF子句,需要选择相关对象的引用。您的第一条记录没有主管,因此在本例中我们将传递NULL:
insert into tb_employee values
( employee(
name('mr','jone','smith')
, address('street','city','postcode')
, phone('11111111111','22222222222','33333333333')
, '001' -- emp id
, 'head' -- position
, 11111 -- salary
, to_date('12-Feb-1994','dd-mon-yyyy') -- joinDate
, null-- supervisor
))
/
对于其他记录,我们使用插入。。。选择。。。从语法:
insert into tb_employee
select
employee(
name('mr','jane','smith')
, address('street','city','postcode')
, phone('11111111111','22222222222','33333333333')
, '002' -- emp id
, 'accountant' -- position
, 2222 -- salary
, to_date('13-Feb-1995','dd-mon-yyyy') -- joinDate
, ref (m) -- supervisor
)
from tb_employee m
where m.empid = '001'
/
insert into tb_employee
select
employee(
name('miss','ross','smith')
, address('street','city','postcode')
, phone('11111111111','22222222222','33333333333')
, '003' -- emp id
, 'manager' -- position
, 333 -- salary
, to_date('14-Feb-1996','dd-mon-yyyy') -- joinDate
, ref (m) -- supervisor
)
from tb_employee m
where m.empid = '002'
/
这是。(Oracle的开发者云无法很好地处理用户定义的类型,这真是太遗憾了。)?什么是引用函数?em引用就像1-n关系中的外键,它可以替换join