(Apologies for any bad formatting or ignorance of common practices within this community; this is my first question here.) I'm attempting to (re)design a MySQL database for a personal social ...
I want to have my auto increment column to increment by step of 3 upon insert. Can I do something like: Alter table `mytable` auto_increment = (select max(id) from mytable) + 3; in a Trigger? I ...
I have a slight problem with a table that I have converted which used to be MyISAM, I have now made it a InnoDB table. Original structure: id varchar(15), seqno int(11) auto increment Joint PK ...
I have a situation where I have three tables: sample, sample_name and run (extra columns removed to be only relevant information). CREATE TABLE `sample` ( `sample_id` int unsigned NOT NULL ...