It's pronounced Diane. I do data architecture, operations, and backend development. In my spare time I maintain Massive.js, a data mapper for Node.js and PostgreSQL.
Adding to this, the ordering of columns in the composite key is important: if movies_directors has a primary key (movie_id, director_id), searching by a movie_id will scan the primary key index, but searching by a director_id has to perform a sequential scan of the table unless there's a secondary index on that column.
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Adding to this, the ordering of columns in the composite key is important: if
movies_directorshas a primary key(movie_id, director_id), searching by a movie_id will scan the primary key index, but searching by a director_id has to perform a sequential scan of the table unless there's a secondary index on that column.