- Removed unnecessary indices on deleted column where there would not be many rows.
- Removed unnecessary parenthesis in Item Model.
- Added Composite indices based on MySQL EXPLAIN results.
- Removed unnecessary indices on deleted column where there would not be many rows.
- Explicitly stated NULL in second parameter of WHERE to improve readability.
- Add indexes to tables to improve query times.
- Delete orphaned attribute values.
- Resolve duplicate attribute values.
- Deleted whitespace after migration which was causing Severity: Warning --> Cannot modify header information - headers already sent by
