Concept
What is vectorized execution?
Understand vectorized execution as batch processing instead of row-at-a-time work, especially in OLAP systems.
TAXONOMY
ClickHouse
Concept
Row storage and columnar storage
Understand row and column storage through access patterns, compression, scans, and write cost.
Compare
ClickHouse vs Doris: choosing an analytical database
A comparison framework for ClickHouse and Doris across data layout, execution, ecosystem, and operations.
Docs
ClickHouse
A practical path through MergeTree, ordering keys, partitions, and query execution.