Contact table structure
CREATE TABLE `mydatabase`.`contact` (
`id` INT NOT NULL,
`name` VARCHAR(255) NULL,
`email` VARCHAR(255) NULL,
`phone` VARCHAR(45) NULL,
PRIMARY KEY (`id`));
ALTER TABLE `mydatabase`.`contact`
CHANGE COLUMN `id` `id` INT(11) NOT NULL AUTO_INCREMENT ,
ADD UNIQUE INDEX `id_UNIQUE` (`id` ASC);