最初に、この質問に既に与えられている回答を理解していないと謝罪し、すでに回答されているので、答えを読んでください "。私はこのサイトを徹底的に調査し、すべての答えを読んだが、私はまだ挫折している。エラーコード:1452.子行を追加または更新できません:外部キー制約が失敗します
CREATE DATABASE flghtreservation;
use flghtreservation;
CREATE TABLE Passenger
(
Fname varchar (20) NOT NULL,
Lname varchar (30) NOT NULL,
Passenger_id varchar (6) Not NULL,
Phone_number varchar (20) NOT NULL,
Email_address varchar (20) NOT NULL,
Gender varchar (5) NOT NULL,
Fopayment varchar (15),
PRIMARY KEY (Passenger_id)
);
CREATE TABLE Airlines
(
Airline_name char (30) NOT NULL,
Airline_no INT NOT NULL,
PRIMARY KEY (Airline_no)
);
CREATE TABLE Airports
(
Airport_code char (3) NOT NULL,
Airport_name varchar (50) not null,
City varchar (20) NOT NULL,
State varchar (15) NOT NULL,
PRIMARY KEY (Airport_code)
);
CREATE TABLE Routes
(
Route_no varchar (8) NOT NULL,
Route_descrip varchar (30) NOT NULL,
PRIMARY KEY (Route_no)
);
CREATE TABLE Flights
(
Flight_no INT NOT NULL,
Airline_code char (5) NULL,
Departure_AirportCode char (5) NOT NULL,
Depature_date date NOT NULL,
Arrival_AirportCode char (5) Not NULL,
Arrival_date date not null,
Price decimal (5,2),
Airline_no INT NOT NULL,
Route_no varchar (8) NOT NULL,
PRIMARY KEY (Flight_no),
FOREIGN KEY (Airline_no) REFERENCES Airlines(Airline_no),
FOREIGN KEY (Route_no) REFERENCES Routes(Route_no)
);
CREATE TABLE Fare
(
Fare_type varchar (3) NOT NULL,
Fare_descrip varchar (15) NOT NULL,
Route_no varchar (8) Not nulL,
PRIMARY KEY (Fare_type),
FOREIGN KEY (Route_no) REFERENCES Routes(Route_no)
);
CREATE TABLE TicketInfo
(
Confirmation_no varchar (10) NOT NULL,
Lname varchar (30) NOT NULL,
Passenger_id varchar (6) NOT NULL,
Fare_type varchar (3) NOT NULL,
Flight_no INT NOT NULL,
PRIMARY KEY (Confirmation_no),
FOREIGN KEY (Passenger_id) REFERENCES Passenger(Passenger_id),
FOREIGN KEY (Flight_no) REFERENCES Flights(Flight_no));
insert into Passenger values
("Taylor", "Amanda", 'B0011', '(952)-659-0259', '[email protected]', 'F', "Visa"),
("Smith", "Adam", 'B0012', '(763)-555-0229', '[email protected]', 'M', "Master"),
("Jeffries", "Daneil", 'B0013', '(214)-659-7885', '[email protected]', 'M', "Visa"),
("Hassan", "Aisha", 'B0014', '(612)-159-0099', '[email protected]', 'F', "Master"),
("Mohammad", "Nivi", 'B0015', '(204)-541-0201', '[email protected]', 'F', "Visa");
Insert into Airlines values
("Southwest Airlines", 001),
("Delta Airlines", 005),
("American Airlines", 003),
("United Airlines", 004),
("Sun Country", 002);
Insert into Airports values
('ATL', "Hartsfield Jackson Atlanta International", "Atlanta", "Goergia"),
('MSP', "Minneapolis-St Paul International", "Minneapolis", "Minnesota"),
('ORD', "Chicago O’Hare International", "Chicago", "Illinois"),
('LAX', "Los Angeles International", "Los Angeles", "California"),
('JFK', "John F Kennedy International", "New York", "New York"),
('SFO', "San Francisco International", "San Francisco", "California"),
('DFW', "Dallas Fort Worth International", "Dallas-Fort Worth", "Texas"),
('DEN', "Denver International", "Denver", "Colorado"),
('LAS', "McCarran International", "Las Vegas", "Nevada"),
('MCO', "Orlando International", "Orlando", "Florida");
insert into Routes values
('RTE01', "North America Mid West Route"),
('RTE02', "North America North East Route"),
('RTE03', "North America East Coast Route"),
('RTE04', "North America West Coast Route");
Insert into Flights values
(111, "SW", "ATL","2016-08-02", "MSP", "2016-08-20", 321.50, 001, 'RTE01'),
(112, "SW", "ATL","2016-08-03", "MSP", "2016-08-21", 250.50, 001, 'RTE01'),
(511, "DL", "ATL","2016-08-02", "MSP", "2016-08-20", 390.50, 005, 'RTE01'),
(312, "AA", "MSP","2016-09-02", "JFK", "2016-09-14", 467.50, 003, 'RTE02'),
(512, "DL", "MSP","2016-09-02", "JFK", "2016-09-14", 500.50, 005, 'RTE02'),
(411, "UA", "MSP","2016-09-02", "JFK", "2016-09-14", 350.50, 004, 'RTE02'),
(211, "SC", "MSP","2016-09-05", "DFW", "2016-09-20", 400.50, 002, 'RTE03'),
(513, "DL", "MSP","2016-09-05", "DFW", "2016-09-20", 430.50, 005, 'RTE03'),
(414, "UA", "MSP","2016-09-05", "DFW", "2016-09-20", 390.50, 004, 'RTE03'),
(113, "SW", "MSP","2016-09-04", "DEN", "2016-09-15", 540.50, 001, 'RTE02'),
(514, "DL", "MSP","2016-09-04", "DFW", "2016-09-15", 600.50, 005, 'RTE02'),
(413, "UA", "SFO","2016-09-05", "ORD", "2016-09-15", 570.50, 004, 'RTE01'),
(114, "SW", "SFO","2016-09-05", "ORD", "2016-09-15", 400.50, 001, 'RTE03'),
(515, "DL", "MSP","2016-09-06", "LAS", "2016-09-14", 410.50, 005, 'RTE04'),
(313, "AA", "MSP","2016-09-06", "LAS", "2016-09-14", 395.50, 003, 'RTE04'),
(212, "SC", "MSP","2016-09-06", "LAS", "2016-09-14", 350.50, 002, 'RTE04'),
(516, "DL", "MSP","2016-09-10", "MCO", "2016-09-20", 580.50, 002, 'RTE03'),
(416, "UA", "MSP","2016-09-10", "MCO", "2016-09-20", 470.50, 002, 'RTE03'),
(315, "AA", "MSP","2016-09-05", "MCO", "2016-09-20", 470.50, 002, 'RTE03'),
(115, "SW", "MSP","2016-09-05", "MCO", "2016-09-20", 410.50, 002, 'RTE03'),
(214, "SC", "MSP","2016-09-05", "MCO", "2016-09-20", 400.50, 002, 'RTE03'),
(215, "SC", "MSP","2016-10-05", "LAX", "2016-10-10", 410.50, 002, 'RTE03'),
(517, "DL", "MSP","2016-10-05", "LAX", "2016-09-10", 520.50, 002, 'RTE03'),
(415, "UA", "MSP","2016-10-05", "LAX", "2016-10-15", 400.50, 002, 'RTE03');
insert into Fare values
('B1', "Business Class", 'RTE01'),
('B2', "Business Class", 'RTE02'),
('B3', "Business Class", 'RTE03'),
('B4', "Business Class", 'RTE04'),
('F1', "First Class", 'RTE01'),
('F2', "First Class", 'RTE02'),
('F3', "First Class", 'RTE03'),
('F4', "First Class", 'RTE04'),
('E1', "Economy Class", 'RTE01'),
('E2', "Economy Class", 'RTE02'),
('E3', "Economy Class", 'RTE03'),
('E4', "Economy Class", 'RTE04');
insert into TicketInfo values
('DL501', "Taylor", 'B0011', 'B1', 511),
('AA300', "Smith", 'B0012', 'E2', 311),
('SW100', "Jeffries", 'B0013', 'F1', 113),
('UA400', "Hassan", 'B0014', 'E3', 414),
('SC200', "Mohammad", 'B0015', 'B2', 212);
エラーコードを:ここに私のクエリ全体と私は取得していますエラーがある1452は、子行を追加または更新できません:。外部キー 制約が失敗した(
flghtreservation
をticketinfo
、CONSTRAINTticketinfo_ibfk_2
FOREIGN KEY(Flight_no
)flights
(Flight_no
)を参照)
「Flight_no」に割り当てられたデータ型を見ていて、それらが同じである場合、一致しない可能性のある場所は表示されません。私は何かが欠落していることを知っていますが、このサイトを通してコーミングの最後の2日間は何が分かりません。だから私は助けが必要で、私はそれをすばやく必要とする。
これを読んで助けてくれることに感謝します。
@ Jen。どうもありがとう。私はそれが顔の中で私を見つめていたことが分かっていましたが、それを理解できませんでした!再度ありがとう ! – zimara1
@ zimara1もし私の答えを受け入れるのが助けてくれれば助かります。 – Jens