错误-在phpmyadmin中导入.sql文件时

Question

I have a .sql file which is created with MySQL Workbench .I have done Export file from Workbench to .sql .But when i try to import this .sql file in localhost/phpmyadmin its showing an error.

1005 - Can't create table amarjobs . profiles (errno: 150 "Foreign key constraint is incorrectly formed")

This is profiles table:

-- Table `amarjobs`.`profiles`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `amarjobs`.`profiles` (
  `id` INT NOT NULL AUTO_INCREMENT COMMENT 'job seeker\'s profile table',
  `userID` INT NULL,
  `firstName` VARCHAR(45) NULL,
  `lastName` VARCHAR(45) NULL,
  `middleName` VARCHAR(45) NULL,
  `DOB` DATE NULL,
  `gender` ENUM('M','F','Other') NULL,
  `featuredProfile` ENUM('Y','N') NULL DEFAULT 'N',
  `email` VARCHAR(100) NULL,
  `phone` VARCHAR(50) NULL,
  `summary` VARCHAR(500) NULL,
  `profilePic` VARCHAR(32) NULL,
  `created_at` TIMESTAMP NULL,
  `updated_at` TIMESTAMP NULL,
  PRIMARY KEY (`id`),
  INDEX `fkProfilesUserID_idx` (`userID` ASC),
  CONSTRAINT `fkProfilesUserID`
    FOREIGN KEY (`userID`)
    REFERENCES `amarjobs`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE CASCADE)
ENGINE = InnoDB;

Some table was imported but why profiles table is not imported? Could you tell me where is the problem?

Answer 1

Assuming you are importing data from some other server. so there should not be issues related with foreign key creation...

First import its parent table users table then you can import this table. This is the clean way.

Other wise you can forcefully import after setting foreign_key_checks disable. But you should not do it and use clean way.

Update:

You can get all related tables by this query:

SELECT table_name AS 'My_Table',REFERENCED_TABLE_NAME AS 'Parent_Table' FROM information_schema.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA ='pass_your_db_here' AND table_name in ('table1','table2',.....'tablen') AND REFERENCED_TABLE_NAME IS NOT NULL;

above query will provide all parents tables for your all tables in parent_table columnd so get unique tables from my_table & parent_table list and take backup of these tables from source server and restore on target server.

Answer 2

You should make (id) a primary key in amarjobs . users table.