On Tue, Jun 6, 2023 at 7:31 AM yanliang lei <msdnchina@163.com> wrote:
Based on the above description, there is a deduction as follows:
bpchar datatype is equal to character(1) data type
Nope, bpchar is not equal to any user-facing data type by virtue of it being an internal implementation-only data type. Based upon your example I'd say it is basically a length-unconstrained character equivalent and there is no such user-facing data type defined.