3364416 - Is it needed to grant SELECT privilege to its own schema?

When a new DB user (e.g CHARLES_TEST) is created, in "Object Privileges", by default, only "CREATE ANY" is granted to its own schema (e.g CHARLES_TEST).

The panel in red rectangle is gray out, which cannot be modified.
You are interested to know if it is possible to grant other privileges, e.g SELECT, DELETE, etc. to its own schema.

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SAP HANA, platform edition 2.0

HANA, user, object privilege, schema, own schema, owner, CREATE ANY , KBA , HAN-DB-SEC , SAP HANA Security & User Management , How To