# pg_resgroupcapability > **Note** The `pg_resgroupcapability` system catalog table is valid only when resource group-based resource management is active. The `pg_resgroupcapability` system catalog table contains information about the capabilities and limits of defined Greenplum Database resource groups. You can join this table to the [pg\_resgroup](pg_resgroup.html) table by resource group object ID. The `pg_resgroupcapability` table, defined in the `pg_global` tablespace, is globally shared across all databases in the system. |column|type|references|description| |------|----|----------|-----------| |`resgroupid`|oid|`pg_resgroup.oid`|The object ID of the associated resource group.| |`reslimittype`|smallint|``|The resource group limit type:

1 - Concurrency

2 - CPU_MAX_WEIGHT

3 - CPU_WEIGHT

4 - CPUSET

5 - MEMORY_QUOTA

6 - MIN_COST

7 - IO_LIMIT| |`value`|opaque type| |The specific value set for the resource limit referenced in this record. This value has the fixed type `text`, and will be converted to a different data type depending upon the limit referenced.| **Parent topic:** [System Catalogs Definitions](../system_catalogs/catalog_ref-html.html)