What is CPB+-Tree in SAP HANA?

Fri, 07 Aug 2020 02:09:55 +0000

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 HANA documentation (e.g. here) but there is no good explanation of what it means and what the HANA admin, developer, or user should do with it.

Conditionally unique

Fri, 22 Mar 2019 04:37:32 +0000

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 combinations are allowed to occur in any number.

Index on The Lars Breddemann Blog

What is CPB+-Tree in SAP HANA?

Conditionally unique