(do your first insert)
$insert_key = mysql_insert_id();
(do your second insert, using $insert_key as the new foreign key that you are putting in your SQL)
Now each table has its own auto-number row, but the Student table now has an additional row with the User-number in it.
Walter
On Saturday, November 2, 2002, at 03:09 PM, Joćo Borsoi wrote:
Hello list,
I have two tables, USER and STUDENT, where all students are users. The
user table has an auto-increment key field. I want to make an operation
to insert users, which should insert rows in both tables (see the tables
bellow).
How can I control the auto_increment field in both tables? Do I have to
insert a user, make a query to get its userId and then finally insert
into the student table? Isn't there a better way of doing this??
Here are the tables:
CREATE TABLE USER (
userId INTEGER UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
login VARCHAR(80) NOT NULL,
password VARCHAR(15) NOT NULL,
status CHAR(1) NOT NULL,
regDate DATETIME NOT NULL,
UNIQUE (login)) TYPE = InnoDB;
CREATE TABLE STUDENT (
userId INTEGER UNSIGNED NOT NULL PRIMARY KEY,
cardsPendingCorrection INTEGER UNSIGNED NOT NULL,
cardsOK INTEGER UNSIGNED NOT NULL,
cardsNotValid INTEGER UNSIGNED NOT NULL,
cardsCorrected INTEGER UNSIGNED NOT NULL,
cardsCommented INTEGER UNSIGNED NOT NULL,
pendingExercices CHAR(1) NOT NULL,
teacher INTEGER UNSIGNED NOT NULL,
INDEX (teacher));
Thanks,
Joao.
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