Here is a list of all documented namespace variables with links to the namespaces they belong to:

- BAD_VALUENO : Xapian
- DB_BACKEND_CHERT : Xapian
- DB_BACKEND_GLASS : Xapian
- DB_BACKEND_INMEMORY : Xapian
- DB_BACKEND_STUB : Xapian
- DB_CREATE : Xapian
- DB_CREATE_OR_OPEN : Xapian
- DB_CREATE_OR_OVERWRITE : Xapian
- DB_DANGEROUS : Xapian
- DB_FULL_SYNC : Xapian
- DB_NO_SYNC : Xapian
- DB_NO_TERMLIST : Xapian
- DB_OPEN : Xapian
- DB_RETRY_LOCK : Xapian
- DBCHECK_FIX : Xapian
- DBCHECK_FULL_TREE : Xapian
- DBCHECK_SHORT_TREE : Xapian
- DBCHECK_SHOW_FREELIST : Xapian
- DBCHECK_SHOW_STATS : Xapian
- DBCOMPACT_MULTIPASS : Xapian
- DBCOMPACT_NO_RENUMBER : Xapian
- DBCOMPACT_SINGLE_FILE : Xapian
- DOC_ASSUME_VALID : Xapian