Create table - Mysql

I'm looking for a little help with this table. First: The table isn't being accepted by mysql. I'm getting a 150 error, which doesn't tell me much. Second, I'm very certain that I'm not using the best data types & way to go about things.... please give me a little input!

CREATE  TABLE IF NOT EXISTS `axis`.`Employee` (
`idEmployee` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT ,
`idAccount` INT(10) UNSIGNED NOT NULL ,
`user` VARCHAR(45) NULL DEFAULT NULL ,
`pass` VARCHAR(45) NULL DEFAULT NULL ,
`firstName` VARCHAR(45) NULL DEFAULT NULL ,
`lastName` VARCHAR(45) NULL DEFAULT NULL ,
`middleName` VARCHAR(45) NULL DEFAULT NULL ,
`idGrp` INT(10) UNSIGNED NULL DEFAULT NULL ,
`idCompany` INT(10) UNSIGNED NULL DEFAULT NULL ,
`idLocation` INT(10) UNSIGNED NULL DEFAULT NULL ,
`idUnit` INT开发者_C百科(10) UNSIGNED NULL DEFAULT NULL ,
`idCrew` INT(10) UNSIGNED NULL DEFAULT NULL ,
`idPosition` INT(10) UNSIGNED NULL DEFAULT NULL ,
`officeLoc` VARCHAR(45) NULL DEFAULT NULL ,
`wPhone` VARCHAR(12) NULL DEFAULT NULL ,
`wCell` VARCHAR(12) NULL DEFAULT NULL ,
`wFax` VARCHAR(12) NULL DEFAULT NULL ,
`wEmail` VARCHAR(45) NULL DEFAULT NULL ,
`radio` VARCHAR(12) NULL DEFAULT NULL ,
`hPhone` VARCHAR(12) NULL DEFAULT NULL ,
`hCell` VARCHAR(12) NULL DEFAULT NULL ,
`hEmail` VARCHAR(45) NULL DEFAULT NULL ,
`addrOne` VARCHAR(45) NULL DEFAULT NULL ,
`addrTwo` VARCHAR(45) NULL DEFAULT NULL ,
`city` VARCHAR(45) NULL DEFAULT NULL ,
`state` VARCHAR(45) NULL DEFAULT NULL ,
`zip` VARCHAR(10) NULL DEFAULT NULL ,
`emergContact` VARCHAR(45) NULL DEFAULT NULL ,
`emergPhone` VARCHAR(12) NULL DEFAULT NULL ,
`gender` ENUM('male','female') NULL DEFAULT NULL ,
`birthDate` DATE NULL DEFAULT NULL ,
`ssn` VARCHAR(5) NULL DEFAULT NULL ,
`hireDate` DATE NULL DEFAULT NULL ,
`sepDate` DATE NULL DEFAULT NULL ,
`comment` VARCHAR(255) NULL DEFAULT NULL ,
`photo` MEDIUMBLOB NULL DEFAULT NULL ,
`isActive` BIT(1) NOT NULL DEFAULT 1 ,
`allowLogin` BIT(1) NOT NULL DEFAULT 0 ,
`trackTravel` BIT(1) NOT NULL DEFAULT 1 ,
`trackTimesheet` BIT(1) NOT NULL DEFAULT 1 ,
`defFltArr` VARCHAR(10) NULL DEFAULT NULL ,
`defFltDep` VARCHAR(10) NULL DEFAULT NULL ,
`defDayTimeStart` TIME NOT NULL DEFAULT '06:00:00' ,
`defHoursPerDay` DECIMAL(4,2) NOT NULL DEFAULT '11.50' ,
`userType` ENUM('root','admin','view','acl','report','employee') NOT NULL DEFAULT 'employee',
`created` DATETIME NOT NULL ,
`modified` TIMESTAMP NOT NULL ,
`modifiedBy` INT(10) UNSIGNED NULL DEFAULT NULL ,
PRIMARY KEY (`idEmployee`, `idAccount`, `idGrp`, `idCompany`, `idLocation`, `idUnit`, `idCrew`, `idPosition`, `modifiedBy`) ,
UNIQUE INDEX `UNIQUE` (`idEmployee` ASC) ,
INDEX `fk_Employee_Grp` (`idGrp` ASC) ,
INDEX `fk_Employee_Company` (`idCompany` ASC) ,
INDEX `fk_Employee_Unit` (`idUnit` ASC) ,
INDEX `fk_Employee_Location` (`idLocation` ASC) ,
INDEX `fk_Employee_Crew` (`idCrew` ASC) ,
INDEX `fk_Employee_Position` (`idPosition` ASC) ,
INDEX `fk_Employee_Employee` (`modifiedBy` ASC) ,
CONSTRAINT `fk_Employee_Grp`
FOREIGN KEY (`idGrp` )
REFERENCES `axis`.`Grp` (`idGrp` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Company`
FOREIGN KEY (`idCompany` )
REFERENCES `axis`.`Company` (`idCompany` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Unit`
FOREIGN KEY (`idUnit` )
REFERENCES `axis`.`Unit` (`idUnit` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Location`
FOREIGN KEY (`idLocation` )
REFERENCES `axis`.`Location` (`idLocation` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Crew`
FOREIGN KEY (`idCrew` )
REFERENCES `axis`.`Crew` (`idCrew` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Position`
FOREIGN KEY (`idPosition` )
REFERENCES `axis`.`Position` (`idPosition` )
ON DELETE SET NULL
ON UPDATE CASCADE,
CONSTRAINT `fk_Employee_Employee`
FOREIGN KEY (`modifiedBy` )
REFERENCES `axis`.`Employee` (`idEmployee` )
ON DELETE SET NULL
ON UPDATE CASCADE)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8
COLLATE = utf8_general_ci

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One of many mistakes :

`idGrp` INT(10) UNSIGNED NULL DEFAULT NULL`

then

PRIMARY KEY (`idEmployee`, `idAccount`, `idGrp`, ... ) 

(Column that is part of PRIMARY KEY must be NOT NULL - mysql silently makes it not null, finally

CONSTRAINT `fk_Employee_Grp` FOREIGN KEY (`idGrp` ) 
 REFERENCES `axis`.`Grp` (`idGrp` ) ON DELETE SET NULL ON UPDATE CASCADE

(which is impossible - ON DELETE SET NULL - column is not null.

And why do you create composite key at all? auto_increment column uniquely identifies your record. All other stuff is redundant. It might possible make sense in some cases for MyIsam tables (I would not recommend to use it anyway), because a value for auto_increment column will be generated differently if it's a part of composite index , but not for INNODB engine.

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Uhm, I may be very wrong, but are you allowed to have more than one Primary Key? I thought the whole purpose was that it was indeed a Primary (Unique) Key.

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Adding to a1ex07's reply, see this thread:

http://forums.mysql.com/read.php?22,19755,259716#msg-259716

It might also be due to signed/unsigned integer-related problems.

Also, your primary key (a unique, not null (set of) field(s)) is, de facto, your employee ID, based on the table's definition.