Did you know ...
Search Documentation:
Predicate bdb_delall/3
HOME
DOWNLOAD
SWI-Prolog
Sources/building
Docker images
Add-ons
Browse GIT
DOCUMENTATION
Manual
Packages
FAQ
Command line
PlDoc
Bluffers
▶
Prolog syntax
PceEmacs
HTML generation
License
Publications
Rev 7 Extensions
TUTORIALS
Beginner
▶
Getting started
Learn Prolog Now!
Simply Logical
Debugger
Development tools
Advanced
▶
Modules
Grammars (DCGs)
clp(fd)
Printing messages
PlDoc
Web applications
▶
Web applications
Let's Encrypt!
Pengines
Semantic web
▶
ClioPatria
RDF namespaces
Graphics
▶
XPCE
GUI options
Machine learning
▶
Probabilistic Logic Programming
External collections
▶
Meta level tutorials
For packagers
▶
Linux packages
COMMUNITY
Forum & mailing list
Blog
News
Report a bug
Submit a patch
Submit an add-on
Roadmap (on GitHub)
External links
Contributing
Code of Conduct
Contributors
SWI-Prolog items
COMMERCIAL
WIKI
Login
View changes
Sandbox
Wiki help
All tags
Documentation
Reference manual
Packages
SWI-Prolog BerkeleyDB interface
library(bdb): Berkeley DB interface
bdb_init/1
bdb_init/2
bdb_close_environment/1
bdb_current_environment/1
bdb_environment_property/2
bdb_open/4
bdb_close/1
bdb_put/3
bdb_del/3
bdb_delall/3
bdb_get/3
bdb_enum/3
bdb_getall/3
bdb_current/1
bdb_closeall/0
bdb_transaction/1
bdb_transaction/2
bdb_version/1
Availability:
:- use_module(
library(bdb)
).
(can be autoloaded)
[det]
bdb_delall
(
+DB, +Key, ?Value
)
Delete all matching key-value pairs from the database. With unbound
Value
the key and all values are removed efficiently.