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PostgreSQL을
를 사용 박물관 데이터베이스를 만들려고하고 있어요에 다리 테이블을 생성하려고 할 때 내가했던CREATE DOMAIN lCap as int not null check (VALUE >= 0);
CREATE TYPE Cap as (min lCap, max lCap);
CREATE DOMAIN lDim as float8 not null check (VALUE > 0);
CREATE TYPE lArea as (length lDim, width lDim);
CREATE DOMAIN lNam as varchar(50) not null;
CREATE DOMAIN lDoor as smallint not null;
create table Locations
(
locSerial serial not null primary key,
locName lNam,
locDimensions lArea,
locCapacity Cap,
locDoors lDoor
);
CREATE DOMAIN eTime as timestamp not null;
CREATE DOMAIN eNam as varchar(25) not null;
CREATE DOMAIN eDescr as varchar(512) not null;
create table Exhibitions
(
exhSerial serial not null primary key,
exhName eNam,
exhDescription eDescr,
exhStrtDate eTime,
exhEndDate eTime
);
CREATE DOMAIN tyID AS smallint not null check (VALUE > 100);
CREATE DOMAIN tyNam AS varchar(20) not null;
CREATE TABLE Types(
typID tyID primary key,
typName tyNam
);
CREATE DOMAIN sID AS smallint not null check (VALUE > 100);
CREATE DOMAIN sNam AS varchar(30) not null;
CREATE TABLE Subtypes(
sbtID sID PRIMARY KEY,
sbtName sNam
);
CREATE DOMAIN mID AS smallint not null check (VALUE > 100);
CREATE DOMAIN mNam AS varchar(50) not null;
CREATE TABLE Mediums(
medID mID primary key,
medName mNam
);
CREATE DOMAIN crID AS smallint not null check (VALUE > 100);
CREATE DOMAIN crNam AS varchar(35);
CREATE TABLE Creators(
creID crID primary key,
creName crNam
);
CREATE DOMAIN wAlphID AS varchar(4) not null;
CREATE DOMAIN wNumID AS smallint not null check (VALUE > 1000);
CREATE DOMAIN wObjNam AS varchar(120) not null;
CREATE DOMAIN wDateMad AS varchar(15) not null;
CREATE DOMAIN wDateAcqu AS date not null;
CREATE DOMAIN wInsurValue AS smallint not null;
CREATE DOMAIN wObjDiscip AS varchar(1000) not null;
CREATE TABLE Works(
workAlphID wAlphID,
workNumberID wNumID,
workObjectName wObjNam,
workCreatorNameID crID,
workTypeID tyID,
workSubtypeID sID,
workDateMade wDateMad,
workDateOfAcquisition wDateAcqu,
workInsuranceValue wInsurValue,
workObjectDiscription wObjDiscip,
primary key (workAlphID,workNumberID),
foreign key (workCreatorNameID) references Creators(creID),
foreign key (workTypeID) references Types(typID),
foreign key (workSubtypeID) references Subtypes(sbtID)
);
모든이 테이블까지 괜찮이 모든 작업
하지만이 테이블을 Works 테이블과 매체 테이블 사이의 브리지로 Works_Mediums를 만들려고 할 때
이 오류가 계속 발생합니다 오류 : 참조 된 테이블에 주어진 키와 일치하는 고유 제한 조건은
CREATE TABLE Works_Mediums(
wmedAlphID wAlphID,
wmedNumberID wNumID,
wmedID mID,
primary key (wmedAlphID, wmedNumberID, wmedID),
foreign key (wmedAlphID) references Works(workAlphID),
foreign key (wmedNumberID) references Works(workNumberID),
foreign key (wmedID) references Mediums(medID)
);
모든 아이디어를 어떻게이 오류를 해결하기 위해이 "작동하지 않습니다"는 무엇입니까?
시선
이제 완벽하게 작동합니다. 고맙습니다. – Alex