[英]I receive a few errors in mySQL and only a few tables appear
我對此有點陌生,我收到了一些錯誤,我的數據庫(phpmyadmin)中只出現了 4 個表。 你能在這里幫忙嗎?
#@(#) script.ddl
DROP TABLE IF EXISTS collect;
DROP TABLE IF EXISTS build;
DROP TABLE IF EXISTS ROBOT;
DROP TABLE IF EXISTS PART;
DROP TABLE IF EXISTS EMPLOYEE_CAR;
DROP TABLE IF EXISTS EMPLOYEE;
DROP TABLE IF EXISTS DOWNLOADED_PART;
DROP TABLE IF EXISTS CAR;
DROP TABLE IF EXISTS MANIFACTURER;
DROP TABLE IF EXISTS CONTRACT;
DROP TABLE IF EXISTS WAREHOUSE;
DROP TABLE IF EXISTS PART_PROVIDER;
DROP TABLE IF EXISTS DISTRIBUTOR;
DROP TABLE IF EXISTS CEO;
CREATE TABLE CEO
(
name varchar (255) NOT NULL,
surname varchar (255) NOT NULL,
mobile_number int NOT NULL,
email_address varchar (255) NOT NULL,
owned_factory_count int NOT NULL,
PRIMARY KEY(mobile_number)
);
CREATE TABLE DISTRIBUTOR
(
company_id int NOT NULL,
company_name varchar (255) NOT NULL,
country varchar (255) NOT NULL,
contact_phone int NOT NULL,
email_address varchar (255) NOT NULL,
PRIMARY KEY(company_id)
);
CREATE TABLE PART_PROVIDER
(
company_name int NOT NULL,
country varchar (255) NOT NULL,
contact_phone int NOT NULL,
email_address varchar (255) NOT NULL,
PRIMARY KEY(company_name)
);
CREATE TABLE WAREHOUSE
(
address varchar (255) NOT NULL,
capacity int NOT NULL,
storage_type char (10) NOT NULL,
PRIMARY KEY(storage_type),
CHECK(storage_type in ('parts', 'cars'))
);
CREATE TABLE CONTRACT
(
contract_id int NOT NULL,
date date NOT NULL,
car_count int NOT NULL,
price double precision NOT NULL,
contract_status char (8) NOT NULL,
fk_DISTRIBUTORcompany_id int NOT NULL,
fk_CEOmobile_number int NOT NULL,
PRIMARY KEY(contract_id),
CHECK(contract_status in ('accepted', 'declined', 'on hold')),
CONSTRAINT applies for FOREIGN KEY(fk_DISTRIBUTORcompany_id) REFERENCES DISTRIBUTOR (company_id),
CONSTRAINT accept FOREIGN KEY(fk_CEOmobile_number) REFERENCES CEO (mobile_number)
);
CREATE TABLE MANIFACTURER
(
group varchar (255) NOT NULL,
rank int NOT NULL,
country varchar (255) NOT NULL,
contact_phone int NOT NULL,
vehicles_count int NOT NULL,
fk_CEOmobile_number int NOT NULL,
PRIMARY KEY(group),
CONSTRAINT run FOREIGN KEY(fk_CEOmobile_number) REFERENCES CEO (mobile_number)
);
CREATE TABLE CAR
(
id int NOT NULL,
group varchar (255) NOT NULL,
model varchar (255) NOT NULL,
seats_count int NOT NULL,
manifacture_date date NOT NULL,
price double precision NOT NULL,
gearbox char (10) NOT NULL,
fuel_type char (11) NOT NULL,
body_type char (11) NOT NULL,
fk_WAREHOUSEstorage_type char (5) NOT NULL,
PRIMARY KEY(id),
CHECK(gearbox in ('automatic', 'mechanical')),
CHECK(body_type in ('sedan', 'universal', 'hatchback', 'coupe', 'convertible')),
CHECK(fuel_type in ('gasoline', 'electricity', 'diesel', 'hybrid')),
CONSTRAINT is stored in FOREIGN KEY(fk_WAREHOUSEstorage_type) REFERENCES WAREHOUSE (storage_type)
);
CREATE TABLE DOWNLOADED_PART
(
id int NOT NULL,
name varchar (255) NOT NULL,
quantity int NOT NULL,
price double precision NOT NULL,
quality char (6) NOT NULL,
fk_WAREHOUSEstorage_type char (5) NOT NULL,
fk_MANIFACTURERgroup varchar (255) NOT NULL,
fk_PART_PROVIDERcompany_name int NOT NULL,
PRIMARY KEY(id),
CHECK(quality in ('high', 'medium', 'low')),
CONSTRAINT is stored in FOREIGN KEY(fk_WAREHOUSEstorage_type) REFERENCES WAREHOUSE (storage_type),
CONSTRAINT buys FOREIGN KEY(fk_MANIFACTURERgroup) REFERENCES MANIFACTURER (group),
CONSTRAINT supply FOREIGN KEY(fk_PART_PROVIDERcompany_name) REFERENCES PART_PROVIDER (company_name)
);
CREATE TABLE EMPLOYEE
(
id int NOT NULL,
name varchar (255) NOT NULL,
surname varchar (255) NOT NULL,
role varchar (255) NOT NULL,
job_start date NOT NULL,
contact_phone int NOT NULL,
fk_MANIFACTURERgroup varchar (255) NOT NULL,
PRIMARY KEY(id),
CONSTRAINT work at FOREIGN KEY(fk_MANIFACTURERgroup) REFERENCES MANIFACTURER (group)
);
CREATE TABLE EMPLOYEE_CAR
(
name varchar (255) NOT NULL PRIMARY KEY,
surname varchar (255) NOT NULL PRIMARY KEY,
id int NOT NULL,
group varchar (255) NOT NULL,
model varchar (255) NOT NULL,
when_manifactured date NOT NULL,
fk_EMPLOYEEid int NOT NULL,
CONSTRAINT own FOREIGN KEY(fk_EMPLOYEEid) REFERENCES EMPLOYEE (id)
);
CREATE TABLE PART
(
id int NOT NULL,
name varchar (255) NOT NULL,
part_status char (10) NOT NULL,
fk_WAREHOUSEstorage_type char (5) NOT NULL,
fk_CARid int NOT NULL,
PRIMARY KEY(id),
CHECK(part_status in ('finished', 'unfinished')),
CONSTRAINT is stored in FOREIGN KEY(fk_WAREHOUSEstorage_type) REFERENCES WAREHOUSE (storage_type),
CONSTRAINT contain FOREIGN KEY(fk_CARid) REFERENCES CAR (id)
);
CREATE TABLE ROBOT
(
id int NOT NULL,
action varchar (255) NOT NULL,
maintanance_period int NOT NULL,
longevity int NOT NULL,
fk_MANIFACTURERgroup varchar (255) NOT NULL,
fk_responsible_employee_id int NOT NULL,
PRIMARY KEY(id),
CONSTRAINT operate in FOREIGN KEY(fk_MANIFACTURERgroup) REFERENCES MANIFACTURER (group),
CONSTRAINT control FOREIGN KEY(fk_responsible_employee_id) REFERENCES EMPLOYEE (id)
);
CREATE TABLE build
(
fk_PARTid int NOT NULL,
fk_EMPLOYEEid int NOT NULL,
PRIMARY KEY(fk_PARTid, fk_EMPLOYEEid),
CONSTRAINT build FOREIGN KEY(fk_PARTid) REFERENCES PART (id)
);
CREATE TABLE collect
(
fk_PARTid int NOT NULL,
fk_ROBOTid int NOT NULL,
PRIMARY KEY(fk_PARTid, fk_ROBOTid),
CONSTRAINT collect FOREIGN KEY(fk_PARTid) REFERENCES PART (id)
);
我收到這些錯誤:錯誤 Static 分析:
分析過程中發現3個錯誤。
應使用逗號或右括號。 (接近 position 116 處的“精度”)語句的意外開頭。 (在 position 160 的“8”附近)無法識別的語句類型。 (在 position 163 的“NOT NULL”附近)SQL 查詢:復制
CREATE TABLE CONTRACT ( contract_id int NOT NULL, date date NOT NULL, car_count int NOT NULL, price double precision NOT NULL, contract_status char (8) NOT NULL, fk_DISTRIBUTORcompany_id int NOT NULL, fk_CEOmobile_number int NOT NULL, PRIMARY KEY(contract_id), CHECK (contract_status in ('accepted', 'declined', 'on hold')), CONSTRAINT 申請 FOREIGN KEY(fk_DISTRIBUTORcompany_id) REFERENCES DISTRIBUTOR (company_id), CONSTRAINT accept FOREIGN KEY(fk_CEOmobile_number) REFERENCES CEO (mobile_number)
MySQL 說:文檔
#1064 - 您的 SQL 語法有錯誤; 檢查與您的 MariaDB 服務器版本相對應的手冊,以獲取在第 12 行的“for FOREIGN KEY(fk_DISTRIBUTORcompany_id) REFERENCES DISTRIBUTOR (company_id)...”附近使用的正確語法
將每個創建表手動運行到 mysql 中,這將有助於確定錯誤所在。 然后根據需要更正代碼。 如果您在創建表時獲得成功,則該表工作正常。
您的 sql 代碼中的某個地方存在錯誤。 調試它!
當您嘗試在創建關系表之前添加約束時,通常會出現此錯誤。 嘗試創建所有表,然后添加它們的鍵,約束如下:
CREATE TABLE CONTRACT
(
contract_id int NOT NULL,
date date NOT NULL,
car_count int NOT NULL,
price double precision NOT NULL,
contract_status char (8) NOT NULL,
fk_DISTRIBUTORcompany_id int NOT NULL,
fk_CEOmobile_number int NOT NULL,
CHECK(contract_status in ('accepted', 'declined', 'on hold')),
);
ALTER TALBE `CONTRACT`
ADD PRIMARY KEY(contract_id),
ADD CONSTRAINT applies for FOREIGN KEY(fk_DISTRIBUTORcompany_id) REFERENCES DISTRIBUTOR (company_id),
CONSTRAINT accept FOREIGN KEY(fk_CEOmobile_number) REFERENCES CEO (mobile_number)
其他表也一樣。
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