Best Practice to maintain Data for VBCS

Summary:

Hi Team,

I have real time data available at on premise Database. We have requirement to build a webapp using VBCS to display, create and edit data available on Database. which one of the following is the best practice?

1). Create rest integrations in OIC to access the data and create respective service connections in VBCS?

2). Create business objects in VBCS, sync data between business objects and on premise database with OIC Integrations?

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