Consider the following table, recipe, in a PostgreSQL database. Column Type Collation Nullable Default name text not null date date not null ingredients text[] not null calories integer not null Assume a user wanted to add a new recipe to…
I am making a simple note app, and I want to create a table to track a note's edit history and save them with an incrementing version as a composite key with the note's id. So for example: note_id |…
I'm creating a database using MySQL for a music streaming application for my school project. It has a table "song_discoveries" which has these columns: user_id, song_id and discovery_date. It has no primary key. The "user_id" and "song_id" are foreign keys…