Displays the attributes, sorted by object name, for all tables, views, join indexes, hash indexes, SQL procedures, user-defined functions, and macros contained by the specified user.
Privileges
You must either own the user or have at least one privilege on that user with one exception: HELP USER DBC does not require any privileges on user DBC.
Use the SHOW privilege to enable a user to perform HELP or SHOW requests only against a specified user.