How to add foreign key in laravel 6


Jul 01, 2016 路 Laravel - How to remove foreign key constraint using migration? By Hardik Savani | July 1, 2016 | | 63284 Viewer | Category : Laravel Sometimes it can be agreeable to remove a database column that hosts a foreign key relationship, and we add wrong column with foreign key constraint on table, At that time we must remove that column from table. The gist is that the foreign method uses ALTER_TABLE to make a pre-existing field into a foreign key. So you have to define the table type before you apply the foreign key. So you have to define the table type before you apply the foreign key. Mar 31, 2016 路 This means the todolists table will contain a foreign key named category_id (although it is possible to override the foreign key field name if you desire). In this tutorial I'll show you the steps necessary to configure this belongs to / has many relationship using migrations and model relations. Jun 09, 2014 路 What would be expected is that the relations where the foreign key is NULL would be updated to the newly generated insert id. I have no idea if it is possible, so this is more of an open question as to whether it makes sense and is potentially doable. Thanks! 馃憤