system.workloads

SELECT *
FROM system.workloads
FORMAT Vertical

Row 1:
──────
name:         production
parent:       all
create_query: CREATE WORKLOAD production IN `all` SETTINGS weight = 9

Row 2:
──────
name:         development
parent:       all
create_query: CREATE WORKLOAD development IN `all`

Row 3:
──────
name:         all
parent:
create_query: CREATE WORKLOAD `all`