| Database Environment | Description | 
|---|---|
| db_env_create | Create an environment handle | 
| DBENV->close | Close an environment | 
| DBENV->err | Error message with error string | 
| DBENV->errx | Error message | 
| DBENV->open | Open an environment | 
| DBENV->remove | Remove an environment | 
| DBENV->set_cachesize | Set the environment cache size | 
| DBENV->set_data_dir | Set the environment data directory | 
| DBENV->set_errcall | Set error message callback | 
| DBENV->set_errfile | Set error message FILE | 
| DBENV->set_errpfx | Set error message prefix | 
| DBENV->set_feedback | Set feedback callback | 
| DBENV->set_flags | Environment configuration | 
| DBENV->set_mutexlocks | Turn off mutual exclusion locking | 
| DBENV->set_paniccall | Set panic callback | 
| DBENV->set_recovery_init | Set recovery initialization callback | 
| DBENV->set_server | Establish server connection | 
| DBENV->set_shm_key | Set system memory shared segment ID | 
| DBENV->set_tmp_dir | Set the environment temporary file directory | 
| DBENV->set_verbose | Set verbose messages | 
| db_strerror | Error strings | 
| db_version | Return version information | 
| Database Operations | Description | 
| db_create | Create a database handle | 
| DB->close | Close a database | 
| DB->del | Delete items from a database | 
| DB->err | Error message with error string | 
| DB->errx | Error message | 
| DB->fd | Return a file descriptor from a database | 
| DB->get | Get items from a database | 
| DB->get_byteswapped | Return if the underlying database is in host order | 
| DB->get_type | Return the database type | 
| DB->join | Perform a database join on cursors | 
| DB->key_range | Return estimate of key location | 
| DB->open | Open a database | 
| DB->put | Store items into a database | 
| DB->remove | Remove a database | 
| DB->rename | Rename a database | 
| DB->set_append_recno | Set record append callback | 
| DB->set_bt_compare | Set a Btree comparison function | 
| DB->set_bt_minkey | Set the minimum number of keys per Btree page | 
| DB->set_bt_prefix | Set a Btree prefix comparison function | 
| DB->set_cachesize | Set the database cache size | 
| DB->set_dup_compare | Set a duplicate comparison function | 
| DB->set_errcall | Set error message callback | 
| DB->set_errfile | Set error message FILE | 
| DB->set_errpfx | Set error message prefix | 
| DB->set_feedback | Set feedback callback | 
| DB->set_flags | General database configuration | 
| DB->set_h_ffactor | Set the Hash table density | 
| DB->set_h_hash | Set a hashing function | 
| DB->set_h_nelem | Set the Hash table size | 
| DB->set_lorder | Set the database byte order | 
| DB->set_malloc | Set a local space allocation function | 
| DB->set_pagesize | Set the underlying database page size | 
| DB->set_paniccall | Set panic callback | 
| DB->set_q_extentsize | Set Queue database extent size | 
| DB->set_re_delim | Set the variable-length record delimiter | 
| DB->set_re_len | Set the fixed-length record length | 
| DB->set_re_pad | Set the fixed-length record pad byte | 
| DB->set_re_source | Set the backing Recno text file | 
| DB->set_realloc | Set a local space allocation function | 
| DB->stat | Return database statistics | 
| DB->sync | Flush a database to stable storage | 
| DB->upgrade | Upgrade a database | 
| DB->verify | Verify/salvage a database | 
| Database Cursors | Description | 
| DB->cursor | Open a cursor into a database | 
| DBcursor->c_close | Close a cursor | 
| DBcursor->c_count | Return count of duplicates | 
| DBcursor->c_del | Delete by cursor | 
| DBcursor->c_dup | Duplicate a cursor | 
| DBcursor->c_get | Retrieve by cursor | 
| DBcursor->c_put | Store by cursor | 
| Lock Manager | Description | 
| DBENV->set_lk_conflicts | Set lock conflicts matrix | 
| DBENV->set_lk_detect | Set automatic deadlock detection | 
| DBENV->set_lk_max | Set maximum number of locks (Deprecated) | 
| DBENV->set_lk_max_locks | Set maximum number of locks | 
| DBENV->set_lk_max_lockers | Set maximum number of lockers | 
| DBENV->set_lk_max_objects | Set maximum number of lock objects | 
| lock_detect | Perform deadlock detection | 
| lock_get | Acquire a lock | 
| lock_id | Acquire a locker ID | 
| lock_put | Release a lock | 
| lock_stat | Return lock subsystem statistics | 
| lock_vec | Acquire/release locks | 
| Log Manager | Description | 
| DBENV->set_lg_bsize | Set log buffer size | 
| DBENV->set_lg_dir | Set the environment logging directory | 
| DBENV->set_lg_max | Set log file size | 
| log_archive | List log and database files | 
| log_compare | Compare two Log Sequence Numbers | 
| log_file | Map Log Sequence Numbers to log files | 
| log_flush | Flush log records | 
| log_get | Get a log record | 
| log_put | Write a log record | 
| log_register | Register a file name with the log manager | 
| log_stat | Return log subsystem statistics | 
| log_unregister | Unregister a file name with the log manager | 
| Buffer Pool | Description | 
| DBENV->set_cachesize | Set the environment cache size | 
| DBENV->set_mp_mmapsize | Set maximum mapped-in database file size | 
| memp_fclose | Close a file in a buffer pool | 
| memp_fget | Get a page from a file in a buffer pool | 
| memp_fopen | Open a file in a buffer pool | 
| memp_fput | Return a page to a buffer pool | 
| memp_fset | Modify meta information for buffer pool page | 
| memp_fsync | Flush pages from a file in a buffer pool | 
| memp_register | Register input/output functions for a file in a buffer pool | 
| memp_stat | Return buffer pool statistics | 
| memp_sync | Flush pages from a buffer pool | 
| memp_trickle | Trickle flush pages from a buffer pool | 
| Transaction Manager | Description | 
| DBENV->set_tx_max | Set maximum number of transactions | 
| DBENV->set_tx_recover | Set transaction abort recover function | 
| DBENV->set_tx_timestamp | Set recovery timestamp | 
| txn_abort | Abort a transaction | 
| txn_begin | Begin a transaction | 
| txn_checkpoint | Checkpoint the transaction subsystem | 
| txn_commit | Commit a transaction | 
| txn_id | Return a transaction ID | 
| txn_prepare | Prepare a transaction for commit | 
| txn_stat | Return transaction subsystem statistics | 
| Historic Interfaces | Description | 
| dbm | UNIX Dbm/Ndbm Interfaces | 
| hsearch | UNIX Hsearch Interfaces | 
| Data Structures | Description | 
| DBT | DBT structures | 
| DB_LSN | DB_LSN structures | 
| DB Library Configuration | Description | 
| db_env_set_pageyield | Yield the processor on each page access | 
| db_env_set_panicstate | Reset panic state | 
| db_env_set_region_init | Fault in shared regions on initial access | 
| db_env_set_tas_spins | Set the number of test-and-set spins | 
| DB System Call Configuration | Description | 
| db_env_set_func_close | Replace underlying Berkeley DB system interfaces | 
| db_env_set_func_dirfree | |
| db_env_set_func_dirlist | |
| db_env_set_func_exists | |
| db_env_set_func_free | |
| db_env_set_func_fsync | |
| db_env_set_func_ioinfo | |
| db_env_set_func_malloc | |
| db_env_set_func_map | |
| db_env_set_func_open | |
| db_env_set_func_read | |
| db_env_set_func_realloc | |
| db_env_set_func_rename | |
| db_env_set_func_seek | |
| db_env_set_func_sleep | |
| db_env_set_func_unlink | |
| db_env_set_func_unmap | |
| db_env_set_func_write | |
| db_env_set_func_yield |