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Database oracle数据库,插入数据_Database_Oracle_User Defined Types - Fatal编程技术网

Database oracle数据库,插入数据

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

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),
    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