| db_alloc_t | Standard allocator for API data structures |
| db_bind_t | Row binding description |
| db_blob_t | BLOB access data type |
| db_buf_stat_t | Statistics on a specific page in the database or buffer in the cache |
| db_bufmgr_stat_t | C_API |
| db_config_t | ITTIA DB library configuration |
| db_crypt_t | Encryption hook interface |
| db_date_t | Date data type |
| db_datetime_t | Date and time data type |
| db_event_t | C_API |
| db_fielddef_t | Field definition |
| db_file_storage_config_t | Database file storage configuration |
| db_indexdef_t | Index definition |
| db_indexfield_t | Index field definition |
| db_largeint_t | Large integer (64-bit) data type |
| db_oid_t | Database object identity |
| db_seqdef_t | Sequence definition |
| db_storage_config_t | General storage configuration |
| db_table_cursor_t | Table cursor settings |
| db_tabledef_t | Table definition |
| db_time_t | Time data type |
| db_timestamp_t | Timestamp data type |
| db_ulargeint_t | Unsigned large integer (64-bit) data type |
| ErrorInfo | Error information |
| lm_config_t | Lock manager configuration |
| lm_local_config_t | Lock manager configuration for local lock manager |