declared-stream-name A name you give the stream you declare. The stream name must be a valid operating system name. rse A record selection expression. A phrase that defines the specific conditions that individual records must meet before Oracle Rdb includes them in a record stream. handle-options A request handle, a transaction handle, or both. REQUEST_HANDLE var The REQUEST_HANDLE keyword followed by a host language variable. A request handle identifies a compiled Oracle Rdb request. If you do not supply a request handle explicitly, RDML associates a unique request handle for the compiled request. TRANSACTION_HANDLE The TRANSACTION_HANDLE keyword followed by var a host language variable. A transaction handle identifies a transaction. If you do not supply a transaction handle explicitly, RDML uses the default transaction handle.