Indexing Strategies: B-Tree Quiz Home › PostgreSQL DBA › Indexing Strategies: B-Tree 🗂️ Postgres Database Administration – Indexing Strategies: B-Tree 20 questions · 15 min timer · Explanations included · Free 1. In a scenario where you need to index a large table with a timestamp column that is queried for ranges, which index type would be most efficient? GIN GiST BRIN B-Tree None Show Hint BRIN (Block Range INdex) is efficient for large tables with columns that are often queried in ranges, such as timestamps, because it stores summaries of data ranges rather than individual values. 2. Which index type would be least effective for a column with a high number of NULL values? GIN GiST BRIN B-Tree None Show Hint B-Tree indexes are less effective for columns with a high number of NULL values, as these values do not benefit from the balanced tree structure, leading to inefficient indexing. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up