You have certainly heard of CDS table entities as the successors of classic Dictionary tables. But how exactly do you define fields, and what types should you use?
This article dives into the ABAP built-in types supported in CDS table entities, covering everything from numeric and character-like types to date/time, byte, currency, and geodata formats. Along the way, you will find practical guidance on what's new and what's deprecated, along with some best-practices for everyday use.

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