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Chapter
7
Application Data
more than one record meets the specifications of the query, only the first
record is processed.
If you are using a flat-file type database, Neuron Data provides a
SQL-like query language which is described in Chapter Three,
“Database Integration Topics” of the Language Reference. See the
Query Language topic for details.
4.
For most databases, this field should be left blank. Some databases may
require a statement here.
See your database type in Chapter Three, “Database Integration
Topics” of the Language Reference for details about the End field.
5.
Indicate that this is a single-record transaction by specifying an object
slot with a value of UNKNOWN in the Cursor field.
The cursor will indicate whether the transaction was successful. The
cursor slot must have a value of UNKNOWN for this transaction to be
treated as a single-record transaction. Make sure the cursor slot’s value
is set to UNKNOWN as explained in the introduction to this section.
6.
Specify under Database Fields the fields in your database whose values
you want to send across the database interface, and specify the
corresponding Rules Element slots to be updated in the second
column.
See the Slot Specification for Retrieves and Writes in Chapter Three,
“Database Integration Topics” of the Language Reference for details
about specifying these fields.
7.
If you want objects with a value of UNKNOWN to be processed, select the
Retrieve Unknown option. Otherwise, objects with a value of UNKNOWN
are not processed.
8.
Specify the forwarding strategy by selecting one of the following
options: Always Forward, Current Forward, or Do Not Forward.
Always Forward means that inference engine forwards the values in
the rules network; Current Forward means that the inference engine
uses the current forwarding strategy; and Do Not Forward means the
inference engine does not use any forwarding strategy.
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User’s Guide