Johannes Raggam

Graz / Austria

Plone CMS Core Developer

https://github.com/thet

https://twitter.com/thetetet

http://programmatic.pro

Zope Object DataBase
By Jim Fulton

Stores Python objects
(Pickles)

Transactional

Fulfills ACID
with Snapshot Isolation

Multiple clients via ZEO

Replications via ZRS

Doesn't ship with an indexing solution
You have to use other packages for that
repoze.catalog , zope.catalog , zope.index

Easy to use Python database.

Embeddable.

Applications with
complex relationships and
complex data structures.

Scalable
100GB of data, no problem.

Mature
since 1996.

High write volume.

If caching not an option.

Need for non-Python standard tools to access data.

Regularly refactored code
Data migration needed.

Zope Object Publishing Environment
—
ZOPE

Perfect for hierarchical Data
—
CMS

Perfect for CMS
—
Plone

Default storage layer for
Pyramid

• Connect to the ZODB: ./zodbdemo/connect.py
• Persistent Object Model Class: ./zodbdemo/model.py
• Demo usage: ./zodbdemo/test.py

• Docs: http://www.zodb.org/
• Github: https://github.com/zopefoundation/ZODB/
• PyPI: https://pypi.python.org/pypi/ZODB
• Jim Fulton on ZODB @ Plone Conf 2016: https://2016.ploneconf.org/talks/zodb
• This talk @ Github: https://github.com/thet/talk-zodb