NOT NULL
CREATE TABLE IF NOT EXISTS `teacher`(
`teacher_id` CHAR(12) NOT NULL,
`teacher_name` VARCHAR(40) NOT NULL,
`teacher_dept` VARCHAR(4) NOT NULL,
`teacher_phone` CHAR(11) NOT NULL
);
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CREATE TABLE IF NOT EXISTS `teacher`(
`teacher_id` CHAR(12) NOT NULL,
`teacher_name` VARCHAR(40) NOT NULL,
`teacher_dept` VARCHAR(4) NOT NULL,
`teacher_phone` CHAR(11) NOT NULL
);
Last updated
Was this helpful?