Remove key/data pairs from the database. If key
is DatabaseEntry, the key/data pair associated with
key is discarded from the database. In the
presence of duplicate key values, all records associated with the
designated key are discarded. If key is
MultipleDatabaseEntry, delete multiple data items using keys from
the buffer to which the key parameter refers. If
key is MultipleKeyDatabaseEntry, delete multiple
data items using keys and data from the buffer to which the key
parameter refers.
Namespace:
BerkeleyDBAssembly: libdb_dotnet181 (in libdb_dotnet181.dll) Version: 18.1.32.0
Syntax
C# |
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public void Delete( DatabaseEntry key ) |
Visual Basic (Declaration) |
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Public Sub Delete ( _ key As DatabaseEntry _ ) |
Visual C++ |
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public: void Delete( DatabaseEntry^ key ) |
Parameters
- key
- Type: BerkeleyDB..::.DatabaseEntry
Discard the key/data pair associated with key.
Remarks
When called on a secondary database, remove the key/data pair from the primary database and all secondary indices.
If the operation occurs in a transactional database, the operation is implicitly transaction protected.
Exceptions
Exception | Condition |
---|---|
BerkeleyDB..::.NotFoundException | A NotFoundException is thrown if key is not in the database. |
BerkeleyDB..::.KeyEmptyException | A KeyEmptyException is thrown if the database is a QueueDatabase or RecnoDatabase database and key exists, but was never explicitly created by the application or was later deleted. |