| Berkeley DB Key/Data Pairs: DBT Structure | Description |
| data | Byte string value |
| dlen | Partial record length |
| doff | Partial record offset |
| size | The length of DBT:data |
| ulen | Application buffer length |
| Berkeley DB Environment: DB_ENV Structure | Description |
| db_errcall | Additional error information |
| db_errfile | Additional error information |
| db_errpfx | Additional error information |
| db_verbose | Informational and debugging messages |
| lg_max | Maximum single log file size |
| lk_conflicts | Lock modes |
| lk_detect | Deadlock detector configuration |
| lk_max | Number of locks in the table |
| lk_modes | Lock modes in the table |
| mp_mmapsize | Set the maximum mapped file size |
| mp_size | Size of the memory pool |
| tx_info | Return from txn_open |
| tx_max | Maximum simultaneous transactions |
| tx_recover | Transaction abort function |
| type | The type of the underlying access method |
| Berkeley DB Access Methods: DB_INFO Structure | Description |
| bt_compare | Btree Access Method: key comparison function |
| bt_minkey | Btree Access Method: minimum keys per page |
| bt_prefix | Btree Access Method: prefix comparison function |
| db_cachesize | Suggested cache size |
| db_lorder | Underlying database byte order |
| db_malloc | Returned memory allocation function |
| db_pagesize | Underlying database page size |
| dup_compare | Duplicate record comparison function |
| h_ffactor | Hash Access Method: desired density within the hash table |
| h_hash | Hash Access Method: key hash function |
| h_nelem | Hash Access Method: estimated table size |
| re_delim | Recno Access Method: variable-length record delimitor |
| re_len | Recno Access Method: fixed-length record length |
| re_pad | Recno Access Method: fixed-length record pad byte |
| re_source | Recno Access Method: backing source file |
| Berkeley DB Locking Subsystem: lockop_t Structure | Description |
| lock | Lock reference |
| mode | Lock mode |
| obj | Object to be locked |
| op | Lock operation to be performed |
| Berkeley DB Shared Memory Buffer Pool: Structures | Description |
| clear_len | Bytes to clear during page creation |
| fileid | Unique identifier for the file |
| ftype | File type |
| lsn_offset | Byte offset of the page LSN |
| pgcookie | Pgin/pgout function cookie |