The Database Doctor
Musing about Databases

Tag: column

Cover image for Introducing the TPC series - TPC-H Query 1: Column Storage and Local Aggregation
Introducing the TPC series - TPC-H Query 1: Column Storage and Local Aggregation

After the wonderful feedback on the previous blog about Iceberg - it is now time to switch gears. Databases are more than row storage engines. They are algorithm machines, helping that...

Cover image for Row or Column based Storage?
Row or Column based Storage?

These days, columnar storage formats are getting a lot more attention in relational databases. Parquet, with its superior compression, is quickly taking over from CSV formats. SAP a...