U Update
Update existing record or row.
Modes
None.
Conditions
The table for which the Update is requested is open.
Description
This request updates an existing record. All fields in the record are updated.
For SQL-like DBMSs, the connector identifies exactly one record by either the primary key or the physical record address. For ISAM-like or record-level DBMSs, a Fetch mode 2 has prepared locking and positioning. The positioned record is the record to be updated.