MySQL Verileri İçe Aktarma - Yabancı anahtar kısıtlaması hatası eklenemiyor,

Question

Bir model oluşturdum ve içe aktarma için SQL metnine ilettim. Mevcut bir bağlantı veri alma başlattığınızda, ben şu hatayı,

ERROR 1215 (HY000) at line 76: Cannot add foreign key constraint 

hata geliyor ebeveynin veri tipi ve çocuk ve vb ama emin değilim kontrol ettiğim almak .. 5,7

Hat 76, aşağıdaki alıntıda başlangıcı MySQL MySQLWorkbench 6.3 kullanarak

• ,

  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Expense` (
      `idExpense` INT NOT NULL, 
      `Date` DATETIME NULL, 
      `Description` VARCHAR(100) NULL, 
      `Amount` DOUBLE NULL, 
      `Billable` TINYINT(1) NULL, 
      `Job_idJob` INT NOT NULL, 
      `Job_idClient` INT NOT NULL, 
      `Task_idTask` INT NOT NULL, 
      PRIMARY KEY (`idExpense`), 
      INDEX `fk_Expense_Job1_idx` (`Job_idJob` ASC, `Job_idClient` ASC), 
      INDEX `fk_Expense_Task1_idx` (`Task_idTask` ASC), 
      CONSTRAINT `fk_Expense_Job1` 
      FOREIGN KEY (`Job_idJob` , `Job_idClient`) 
      REFERENCES `CostTrackerDB`.`Job` (`idJob` , `Client_idClient`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION, 
      CONSTRAINT `fk_Expense_Task1` 
      FOREIGN KEY (`Task_idTask`) 
      REFERENCES `CostTrackerDB`.`Task` (`idTask`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION) 
  ENGINE = InnoDB; 
  

  Tüm SQL Metin,

  -- MySQL Script generated by MySQL Workbench 
  -- 04/11/16 12:31:19 
  -- Model: New Model Version: 1.0 
  -- MySQL Workbench Forward Engineering 
  
  SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0; 
  SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0; 
  SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL,ALLOW_INVALID_DATES'; 
  
  -- ----------------------------------------------------- 
  -- Schema CostTrackerDB 
  -- ----------------------------------------------------- 
  
  -- ----------------------------------------------------- 
  -- Schema CostTrackerDB 
  -- ----------------------------------------------------- 
  CREATE SCHEMA IF NOT EXISTS `CostTrackerDB` DEFAULT CHARACTER SET utf8 ; 
  USE `CostTrackerDB` ; 
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Staff` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Staff` (
      `idStaff` INT NOT NULL, 
      `Name` VARCHAR(45) NULL, 
      `Role` VARCHAR(45) NULL, 
      PRIMARY KEY (`idStaff`)) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Client` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Client` (
      `idClient` INT NOT NULL, 
      `name` VARCHAR(45) NULL, 
      PRIMARY KEY (`idClient`)) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Job` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Job` (
      `idJob` INT NOT NULL, 
      `Number` VARCHAR(45) NULL, 
      `Title` VARCHAR(100) NULL, 
      `State` VARCHAR(45) NULL, 
      `Start` DATETIME NULL, 
      `Due` DATETIME NULL, 
      `Client_idClient` INT NOT NULL, 
      PRIMARY KEY (`idJob`), 
      INDEX `fk_Job_Client1_idx` (`Client_idClient` ASC), 
      CONSTRAINT `fk_Job_Client1` 
      FOREIGN KEY (`Client_idClient`) 
      REFERENCES `CostTrackerDB`.`Client` (`idClient`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Task` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Task` (
      `idTask` INT NOT NULL, 
      `Title` VARCHAR(100) NULL, 
      `idStaff` INT NULL, 
      PRIMARY KEY (`idTask`)) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Expense` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Expense` (
      `idExpense` INT NOT NULL, 
      `Date` DATETIME NULL, 
      `Description` VARCHAR(100) NULL, 
      `Amount` DOUBLE NULL, 
      `Billable` TINYINT(1) NULL, 
      `Job_idJob` INT NOT NULL, 
      `Job_idClient` INT NOT NULL, 
      `Task_idTask` INT NOT NULL, 
      PRIMARY KEY (`idExpense`), 
      INDEX `fk_Expense_Job1_idx` (`Job_idJob` ASC, `Job_idClient` ASC), 
      INDEX `fk_Expense_Task1_idx` (`Task_idTask` ASC), 
      CONSTRAINT `fk_Expense_Job1` 
      FOREIGN KEY (`Job_idJob` , `Job_idClient`) 
      REFERENCES `CostTrackerDB`.`Job` (`idJob` , `Client_idClient`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION, 
      CONSTRAINT `fk_Expense_Task1` 
      FOREIGN KEY (`Task_idTask`) 
      REFERENCES `CostTrackerDB`.`Task` (`idTask`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`StaffAllocation` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`StaffAllocation` (
      `Job_idJob` INT NOT NULL, 
      `Staff_idStaff` INT NOT NULL, 
      `Task_idTask` INT NOT NULL, 
      `Rate` DOUBLE NULL, 
      `Role` VARCHAR(45) NULL, 
      `Hours` DOUBLE NULL, 
      `Week` DATETIME NULL, 
      PRIMARY KEY (`Job_idJob`, `Staff_idStaff`, `Task_idTask`), 
      INDEX `fk_Job_has_Staff_Staff1_idx` (`Staff_idStaff` ASC), 
      INDEX `fk_Job_has_Staff_Job1_idx` (`Job_idJob` ASC), 
      INDEX `fk_StaffAllocation_Task1_idx` (`Task_idTask` ASC), 
      CONSTRAINT `fk_Job_has_Staff_Job1` 
      FOREIGN KEY (`Job_idJob`) 
      REFERENCES `CostTrackerDB`.`Job` (`idJob`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION, 
      CONSTRAINT `fk_Job_has_Staff_Staff1` 
      FOREIGN KEY (`Staff_idStaff`) 
      REFERENCES `CostTrackerDB`.`Staff` (`idStaff`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION, 
      CONSTRAINT `fk_StaffAllocation_Task1` 
      FOREIGN KEY (`Task_idTask`) 
      REFERENCES `CostTrackerDB`.`Task` (`idTask`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION) 
  ENGINE = InnoDB; 
  
  
  -- ----------------------------------------------------- 
  -- Table `CostTrackerDB`.`Timesheet` 
  -- ----------------------------------------------------- 
  CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Timesheet` (
      `Task_idTask` INT NOT NULL, 
      `Staff_idStaff` INT NOT NULL, 
      `Time` DATETIME NULL, 
      `Billable` TINYINT(1) NULL, 
      `hours` DATETIME NULL, 
      PRIMARY KEY (`Task_idTask`, `Staff_idStaff`), 
      INDEX `fk_Task_has_Staff_Staff1_idx` (`Staff_idStaff` ASC), 
      INDEX `fk_Task_has_Staff_Task1_idx` (`Task_idTask` ASC), 
      CONSTRAINT `fk_Task_has_Staff_Task1` 
      FOREIGN KEY (`Task_idTask`) 
      REFERENCES `CostTrackerDB`.`Task` (`idTask`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION, 
      CONSTRAINT `fk_Task_has_Staff_Staff1` 
      FOREIGN KEY (`Staff_idStaff`) 
      REFERENCES `CostTrackerDB`.`Staff` (`idStaff`) 
      ON DELETE NO ACTION 
      ON UPDATE NO ACTION) 
  ENGINE = InnoDB; 
  
  
  SET SQL_MODE=@OLD_SQL_MODE; 
  SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS; 
  SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS; 
  

Answer 1

Dene:

CREATE TABLE IF NOT EXISTS `CostTrackerDB`.`Expense` (
    `idExpense` INT NOT NULL, 
    `Date` DATETIME NULL, 
    `Description` VARCHAR(100) NULL, 
    `Amount` DOUBLE NULL, 
    `Billable` TINYINT(1) NULL, 
    `Job_idJob` INT NOT NULL, 
    `Job_idClient` INT NOT NULL, 
    `Task_idTask` INT NOT NULL, 
    PRIMARY KEY (`idExpense`), 
    INDEX `fk_Expense_Job1_idx` (`Job_idJob` ASC, `Job_idClient` ASC), 
    INDEX `fk_Expense_Task1_idx` (`Task_idTask` ASC), 
    /*CONSTRAINT `fk_Expense_Job1` 
    FOREIGN KEY (`Job_idJob` , `Job_idClient`) 
    REFERENCES `CostTrackerDB`.`Job` (`idJob` , `Client_idClient`) 
    ON DELETE NO ACTION 
    ON UPDATE NO ACTION,*/ 
    CONSTRAINT `fk_Expense_Job1` 
    FOREIGN KEY (`Job_idJob`) 
    REFERENCES `CostTrackerDB`.`Job` (`idJob`) 
    ON DELETE NO ACTION 
    ON UPDATE NO ACTION, 
    CONSTRAINT `fk_Expense_Job2` 
    FOREIGN KEY (`Job_idClient`) 
    REFERENCES `CostTrackerDB`.`Job` (`Client_idClient`) 
    ON DELETE NO ACTION 
    ON UPDATE NO ACTION, 
    CONSTRAINT `fk_Expense_Task1` 
    FOREIGN KEY (`Task_idTask`) 
    REFERENCES `CostTrackerDB`.`Task` (`idTask`) 
    ON DELETE NO ACTION 
    ON UPDATE NO ACTION) 
ENGINE = InnoDB;