| Name | Description | Type | Package | Framework |
| MColumnDescriptor | A wrapper around a list of columns. | Class | org.apache.hadoop.hive.metastore.model | Apache Hive |
| MDatabase | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MDBPrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MDelegationToken | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MFieldSchema | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MFunction | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MGlobalPrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MIndex | Represents hive's index definition. | Class | org.apache.hadoop.hive.metastore.model | Apache Hive |
| MMasterKey | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MNotificationLog | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MNotificationNextId | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MOrder | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MPartition | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MPartitionColumnPrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MPartitionColumnStatistics | MPartitionColumnStatistics - Represents Hive's partiton level Column Statistics Description. | Class | org.apache.hadoop.hive.metastore.model | Apache Hive |
| MPartitionEvent | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MPartitionPrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MPrincipalDesc | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MResourceUri | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MRole | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MRoleMap | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MSerDeInfo | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MStorageDescriptor | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MStringList | It represents data structure of string list. | Class | org.apache.hadoop.hive.metastore.model | Apache Hive |
| MTable | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MTableColumnPrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MTableColumnStatistics | MTableColumnStatistics - Represents Hive's Column Statistics Description. | Class | org.apache.hadoop.hive.metastore.model | Apache Hive |
| MTablePrivilege | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MType | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |
| MVersionTable | Class | org.apache.hadoop.hive.metastore.model | Apache Hive | |