Question

我使用XAMPP 5.6.19-0作为MySQL数据库服务器并通过MySQL Workbench（Mac OS 10.11.3）进行管理。我试图使用外键创建一些表，并且我得到了这个错误：

错误代码：1005。无法创建表imobiliaria24h。proprietario（错误：150＆＃34;外键约束形成错误＆＃34;）

这是我尝试使用的代码：

CREATE TABLE IF NOT EXISTS PROPRIETARIO (
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
CORRETOR_CPF INT NOT NULL,
PRIMARY KEY (CPF),
FOREIGN KEY (CORRETOR_CPF) REFERENCES CORRETOR(CPF)
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS IMOVEL(
ENDERECO VARCHAR(100) NOT NULL,
TIPO ENUM('ALUGUEL', 'VENDA'),
INQUILINO_CPF INT,
PROPRIETARIO_CPF INT,
VALOR_ALUGUEL_PRECOVENDA INT NOT NULL,
NUM_QUARTOS INT NOT NULL,
METRAGEM INT NOT NULL,
NUM_BANHEIROS INT NOT NULL,
VALOR_CONDOMINIO INT NOT NULL,
IDADE INT NOT NULL,
HORA_REGISTRO TIME NOT NULL,
PRIMARY KEY(ENDERECO),
FOREIGN KEY (INQUILINO_CPF) REFERENCES INQUILINO(CPF),
FOREIGN KEY (PROPRIETARIO_CPF) REFERENCES PROPRIETARIO(CPF) 
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS INQUILINO(
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
FIADOR BOOLEAN NOT NULL,
INADIMPLENCIA INT NOT NULL,
CORRETOR_CPF INT NOT NULL,
PRIMARY KEY (CPF),
FOREIGN KEY (CORRETOR_CPF) REFERENCES CORRETOR(CPF)
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS CORRETOR(
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
ANOS_CASA SMALLINT NOT NULL,
TRABALHA_FDS BOOLEAN NOT NULL,
TRABALHA_NOITE BOOLEAN NOT NULL,
PRIMARY KEY (CPF)
)ENGINE=InnoDB;

有趣的是，如果我单独创建表，只有相互引用的表，例如，我创建了第一个PROPRIETARIO和CORRETOR，第二个INQUILINO，最后是IMOVEL，这样一切都有效。我不理解为什么我会在一个＆＃34;单个命令中一起创建错误＆＃34;。

Answer 1

你在运行那个确切的脚本吗？如果是这样，您似乎在尝试创建外键之前实际创建了他们所引用的表格。

尝试更改构建它们的顺序。

CREATE TABLE IF NOT EXISTS CORRETOR(
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
ANOS_CASA SMALLINT NOT NULL,
TRABALHA_FDS BOOLEAN NOT NULL,
TRABALHA_NOITE BOOLEAN NOT NULL,
PRIMARY KEY (CPF)
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS PROPRIETARIO (
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
CORRETOR_CPF INT NOT NULL,
PRIMARY KEY (CPF),
FOREIGN KEY (CORRETOR_CPF) REFERENCES CORRETOR(CPF)
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS INQUILINO(
NOME VARCHAR(30) NOT NULL,
CPF INT NOT NULL,
TELEFONE INT NOT NULL,
FIADOR BOOLEAN NOT NULL,
INADIMPLENCIA INT NOT NULL,
CORRETOR_CPF INT NOT NULL,
PRIMARY KEY (CPF),
FOREIGN KEY (CORRETOR_CPF) REFERENCES CORRETOR(CPF)
)ENGINE=InnoDB;

CREATE TABLE IF NOT EXISTS IMOVEL(
ENDERECO VARCHAR(100) NOT NULL,
TIPO ENUM('ALUGUEL', 'VENDA'),
INQUILINO_CPF INT,
PROPRIETARIO_CPF INT,
VALOR_ALUGUEL_PRECOVENDA INT NOT NULL,
NUM_QUARTOS INT NOT NULL,
METRAGEM INT NOT NULL,
NUM_BANHEIROS INT NOT NULL,
VALOR_CONDOMINIO INT NOT NULL,
IDADE INT NOT NULL,
HORA_REGISTRO TIME NOT NULL,
PRIMARY KEY(ENDERECO),
FOREIGN KEY (INQUILINO_CPF) REFERENCES INQUILINO(CPF),
FOREIGN KEY (PROPRIETARIO_CPF) REFERENCES PROPRIETARIO(CPF) 
)ENGINE=InnoDB;

MySQL错误代码1005 / errno：150

1 个答案: