Juliane Waack
Juliane is a Software Engineer in the Snowflake Berlin office, where she works on accelerating query performance by extending Snowflake’s pruning capabilities as part of the Search team. She holds a M.Sc. from Hasso Plattner Institute, Germany.
Snowflake
Session
06-10
10:40
20min
Accelerating TopK Queries
Juliane Waack
TopK Queries are SQL queries that contain both an order by and a limit clause. The optimization presented in this talk uses runtime information to skip scanning data that could not be a part of the final result, thereby significantly accelerating these types of queries.
Frannz Salon