Indexing
24 practice items · needed by 4 roles
Easy 3Medium 13Hard 8
Practice questions
- Index ignored for lower(email)medium
- Benefit of INCLUDE in an indexmedium
- Index for the few pending rowshard
- Inserts slow down with UUID keyshard
- Adding an index to a live big tablehard
- Composite index column ordermedium
- When a B-tree index helpseasy
- Composite index column ordermedium
- Covering indexmedium
- Slow deep paginationmedium
- Adding an index on a live tablemedium
- Deleting a customer takes secondsmedium
- Indexing only pending rowsmedium
- Searching inside textmedium
- Fast JSONB filtersmedium
- Index ignored because of a functionhard
- Index-only scan still reads the tablehard
- Random UUID keys slow down insertshard
- Removing a page from Googleeasy
- What IndexNow iseasy
- Soft 404 errorsmedium
- Crawled but not indexedmedium
- Noindex plus canonicalhard
- JavaScript removing noindexhard