auto_increment tag

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What is the difference between inserting NULL or '' in the auto_increment column in mysql?

Example) member_tableno - auto increment,id - not null,pw - not null,email, phone, address $sql1= INSERT INTO member_table (no ,id, pw, email,phone,address) VALUES (NULL, '$id', '$pw', '$email', '$...

mysql insert auto_increment

2 years ago

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