June 2001
Intermediate to advanced
688 pages
19h 18m
English
import com.sleepycat.db.*; public int del(DbTxn txnid, Dbt key, int flags) throws DbException;
The Db.del method removes key/data pairs from the database. The key/data pair associated with the specified key is discarded from the database. In the presence of duplicate key values, all records associated with the designated key will be discarded.
If the operation is to be transaction-protected, the txnid parameter is a transaction handle returned from DbEnv.txn_begin; otherwise, null.
The flags parameter is currently unused, and must be set to 0.
The Db.del method throws an exception that encapsulates a non-zero error value on failure, and DB_NOTFOUND if the specified key did not exist in the file.
The Db.del method ...