Extensions Ecosystem: PostGIS Quiz Home › PostgreSQL DBA › Extensions Ecosystem: PostGIS 🧩 Postgres Database Administration – Extensions Ecosystem: PostGIS 20 questions · 15 min timer · Explanations included · Free 1. Which PostGIS function would you use to merge two geometries into one? ST_Union ST_Buffer ST_Difference ST_SymDifference None Show Hint ST_Union is a PostGIS function that returns a geometry that represents the union of two geometries. 2. When using TimescaleDB, what is a key advantage of using hypertables? They provide built-in machine learning capabilities. They enhance the database's ability to handle JSON data. They allow for efficient storage and querying of time-series data. They automatically encrypt data at rest. None Show Hint Hypertables in TimescaleDB are designed to handle large volumes of time-series data efficiently by partitioning data across time and space, optimizing for both storage and query performance. 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
