SQL Server 2005에서 학생 데이터베이스를 만들지 만 외래 키와 관련하여 오류가 발생하여 문제가 무엇인지 확인하십시오. 외래 키 SQL Server
CREATE TABLE STUDENT
(
STUDENT_REGNO INT NOT NULL PRIMARY KEY,
STUDENT_FIRSTNAME VARCHAR(30) NOT NULL,
STUDENT_LASTNAME VARCHAR(20) NOT NULL,
STUDENT_FATHER_NAME VARCHAR(30) NOT NULL,
STUDENT_EMAIL VARCHAR(20),
STUDENT_MOBILE_NO VARCHAR(15),
STUDENT_PHONE_NO VARCHAR(15),
STUDENT_ADDRESS VARCHAR (40),
DEPARTMENT_ID INT CONSTRAINT DEP_1 FOREIGN KEY
REFERENCES DEPARTMENT(DEPARTMENT_ID),
ACADEMIC_ID INT CONSTRAINT ACDEMIC FOREIGN KEY
REFERENCES ACADEMIC(ACADEMIC_ID),
CLASS_NAME VARCHAR(20) CONSTRAINT CLASS_1 FOREIGN KEY
REFERENCES CLASS(CLASS_NAME)
)
CREATE TABLE FACULTY
(
FACULTY_ID INT NOT NULL PRIMARY KEY,
FACULTY_NAME VARCHAR(20) NOT NULL,
FACULTY_FATHER_NAME VARCHAR(30) NOT NULL,
FACULTY_EMAIL VARCHAR(20),
FACULTY_ADDRESS VARCHAR(40) NOT NULL,
FACULTY_MOBILE_NO VARCHAR(30),
FACULTY_PHONE_NO VARCHAR(20),
FACULTY_QUALIFICATION VARCHAR(20),
DEPARTMENT_ID INT CONSTRAINT DEPARTEMNT_2 FOREIGN KEY
REFERENCES DEPARTMENT(DEPARTMENT_ID),
ACADEMIC_ID INT CONSTRAINT ACADEMIC_1 FOREIGN KEY
REFERENCES ACADEMIC(ACADEMIC_ID)
)
CREATE TABLE USER1
(
USERNAME VARCHAR(20) NOT NULL,
USER_PASSWORD VARCHAR(6) NOT NULL,
USER_TYPE VARCHAR(20) NOT NULL,
)
CREATE TABLE DEPARTMENT
(
DEPARTMENT_ID int NOT NULL PRIMARY KEY,
DEPARTMENT_NAME VARCHAR(20) NOT NULL,
DEAPRTMENT_OFFICE_NO VARCHAR(20),
)
CREATE TABLE CLASS
(
CLASS_NAME VARCHAR(20) NOT NULL,
CLASS_STRENGTH INT NOT NULL,
)
CREATE TABLE ANNOUNCMENT
(
ANNOUNCMENT_ID int NOT NULL PRIMARY KEY,
ANNOUNCMENT_DESCRIPTION VARCHAR(50),
ANNOUNCMENT_TITLE VARCHAR(45)
)
CREATE TABLE FORUM
(
FORUM_ID int NOT NULL PRIMARY KEY,
FORUM_NAME VARCHAR(35) NOT NULL,
FORUM_DESCRIPTION VARCHAR(333),
FORUM_DISCUSSION VARCHAR(22),
POSTED_BY VARCHAR(34)
)
CREATE TABLE GRADE
(
LETTER_GRADE CHAR NOT NULL ,
PERCENTAGE FLOAT NOT NULL,
STUDENT_REGNO int CONSTRAINT STUDENT_5 FOREIGN KEY(STUDENT)
REFERENCES STUDENT(STUDENT_REGNO),
COURSE_ID int CONSTRAINT COURSE_1 FOREIGN KEY(COURSE)
REFERENCES COURSE(COURSE_ID)
)
CREATE TABLE COURSE
(
COURSE_NAME VARCHAR(20) NOT NULL,
COURSE_CREDIT_HR INT NOT NULL,
COURSE_DESCRIPTION VARCHAR(99),
)
CREATE TABLE TERM
(
TERM_START_DATE DATETIME NOT NULL,
TERM_END_DATE DATETIME NOT NULL,
student_regno int CONSTRAINT STUDENT_2 FOREIGN KEY(STUDENT)
REFERENCES STUDENT(STUDENT_REGNO)
)
CREATE TABLE PREVIOUS_ACADEMIC_INFO
(
ACADEMIC_ID int NOT NULL PRIMARY KEY,
DEGREE_DESCRIPTION VARCHAR(50),
CERTIFICATION VARCHAR(30),
DURATION DATETIME
)
CREATE TABLE TEACHER_COURSE
(
AREA_OF_SPECILIZATION VARCHAR(30),
faculty_id int CONSTRAINT FACULTY_1 FOREIGN KEY(FACULTY)
REFERENCES FACULTY(FACULTY_ID)
)
먼저 오류 메시지 1769, 수준 16, 상태 1, 줄
65
외래 키 테이블 '학년'을 참조 에서 'STUDENT_5'참조 잘못된 열 '학생'.
메시지 1750, 수준 16, 상태 0, 줄 65
제약 조건을 만들지 못했습니다. 이전 오류를 참조하십시오
오류 정보가 도움이 될 것입니다. –
예, 사람들이 코드를 읽길 원하지만 오류를 게시하지 않으시겠습니까? 어떻게 합리적인가? –
@ Jay @ Mitch Wheat : 오류 언급 ..... 외래 키가 올바르게 선언되었는지 여부를 알려주십시오. – james