System catalog
This topic provides an overview of builtin objects, how they relate, and how they can be queried.
The default
database
Every GlareDB deployment is initialized with a default
database. This database cannot be dropped. Schemas, views, and external tables can be created within this database.
The default
database contains three schemas providing information about a running system.
glare_catalog
: A schema containing internal information about the deployment.pg_catalog
: A set of views on top ofglare_catalog
that aims to provide Postgres compatibility.information_schema
: A set of views on top ofglare_catalog
for providing standard information schema compatibility.