Most SAP Business One systems are still being used in combination with a Microsoft SQL Database operated. However, in the future there will be more and more installations with HANA, SAP's high-performance database.
There is already quite a bit of literature, but there are now also plenty of resources on the Internet where you can find know-how on SAP HANA can obtain.
One option is the English-language website SAP HANA Central. Here you can find many tutorials and learning material on the SAP In Memory database.

Middleware course: Integration Framework for SAP B1
The SAP Learning Platform openSAP is offering a course on the integration framework for SAP Business One from 7 November. The course ...

SAP Business One Financial Accounting Training on DVD
Versino Ost has already made a name for itself when it comes to video training for SAP Business One. The offer on Video2Brain includes ...

elearning: Financial accounting in SAP Business One
The Video2Brain courses on SAP Business One are slowly becoming complete. The videos on the topics of ...

Elearning for all: openSAP platform offers online courses
You don't have to be a digital native to benefit from the range of courses available on the web. More and more people are using ...

SAP Business One for Administrators - New free videos
The new series of Video2Brain videos by Sebastian Gerber "SAP Business One for Administrators" has been on the market since December 2015. ...

New video series - SAP Business One for administrators
As previously announced, the video tutorial platform Video2 Brain has published a new series on SAP Business One. This time ...