CLOSE SCHEMA
Purpose
Use this statement to close the current schema which affects the name resolution.
Prerequisite
You need either the system privilege USE ANY SCHEMA
or the object privilege USAGE
on the target schema, or the schema must be owned by you or one of your assigned roles.
Syntax
close_schema::=
Usage Notes
If there is no schema opened, all the schema objects must be referenced using schema-qualified names (for more information, see SQL identifier).