ALTER TABLE users ADD COLUMN count SMALLINT(6) NOT NULL AFTER lastname If you want to add multiple columns, then you need to use 'ADD' command each time for a column. …

Jan 30, 2014 · I am looking for the syntax to add a column to a MySQL database with a default value of 0 Reference

Most of the answers address how to add a column safely in a stored procedure, I had the need to add a column to a table safely without using a stored proc and discovered that MySQL does …

In mysql, can I add a column and foreign key in the same statement? And what is the proper syntax for adding the fk? Here is my SQL: ALTER TABLE database.table ADD COLUMN …

Jan 24, 2014 · Are you using MySQL or Postgres? Postgres can only put a new column at the end - which isn't a problem because the order of columns in a table is totally irrelevant. There is no …

Nov 3, 2010 · It depends on what database you are using. In MySQL, you would use the "ALTER TABLE" syntax. I don't remember exactly how, but it would go something like this if you …

I am trying to add a new column to my MYSQL table using PHP. I am unsure how to alter my table so that the new column is created. In my assessment table I have: assessmentid | q1 | …

Jul 4, 2014 · I have this code: ALTER TABLE `settings` ADD COLUMN `multi_user` TINYINT(1) NOT NULL DEFAULT 1 And I want to alter this table only if this column doesn't exist. I'm trying …

Aug 20, 2012 · alter table chatuser add activerecord bool; alter table chatuser add activerecord boolean; where activerecord is my boolean column Neither of these queries are working. How …

There's another index in the query MySQL deems more appropriate to use, and it can use only one. The solution is usually an index spanning multiple columns if their normal method of …