docs/sql/statements/use.md
The USE statement sets the current catalog and namespace.
Set the session's current_catalog to my_catalog.
USE my_catalog;
Set the session's current_catalog to my_catalog, and current_namespace to my_namespace.
USE my_catalog.my_namespace;
current_namespace is set to NULL.use_statement
'USE' catalog_ident
'USE' catalog_ident '.' namespace_ident
catalog_ident
simple_ident
namespace_ident
ident
!!! warning "Work in Progress"
The SQL Reference documents are a work in progress.