Syntax
<acc_column_spec_mlt> ::= <
acc_column_spec> <acc_column_spec_mlt>Use
This is a
syntax rule for describing columns.You use it in a
DATAUPDATE command to define the qualification columns.You can use both key columns and non-key columns as qualification columns.
The qualification columns must be listed before the target columns (
set_column_spec) in a DATAUPDATE command.