(PHP 3, PHP 4, PHP 5)
Marks the given record to be deleted from the database.
注: To actually remove the record from the database, you must also call dbase_pack().
The database link identifier, returned by dbase_open() or dbase_create().
An integer which spans from 1 to the number of records in the database (as returned by dbase_numrecords()).
若果成功則返回 TRUE,失敗則返回 FALSE。