Index

What is CPB+-Tree in SAP HANA?

07/08/2020
SAP HANA

A recent question on StackOverflow brought up a topic that is not well covered in the official HANA documentation: the index structures used in HANA’s row-store. The term CPB tree shows up in several locations in the… Read More » What is CPB+-Tree in SAP HANA?

Conditionally unique

22/03/2019
SAP HANA

A common requirement for SQL DB modeling is to have something that could be called conditional unique constraint. The idea is that certain combinations of column values should only occur once if at all, while other… Read More » Conditionally unique