Using the DEFINE option of CHANGE RELATION, you can add a
globally defined field to a relation. You can also use a local
field name to refer to that global field. You can also define a
relation-specific constraint at the field level.
(B)0[mdefine-clause = qqwqqqqqqqqqqqqqqqwqqqk
mq> /* text */ qj x
lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj
mqqwq> global-field-name qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqwqk
tq> local-field-name qq> [4mBASED[m ON q> global-field-name qj x
x lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj
x mwqqqqqqqqqqqqqqqqqwqwqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
x mqw> dtr-clause qwj mqqw> field-constraint-def qwqqqu
x mqqqqqq<qqqqqqqj mqqqqqqqqqq<qqqqqqqqqqqqqj x
x x
mq> local-field-name qq> [4mCOMPUTED[m [4mBY[m q> value-expr qk x
lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj x
mqqqwqqqqqqqqqqqqqqqqqqwqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqvq>
mqw> dtr-clause qwqj
mqqqqqq<qqqqqqqj
Additional Information:
explode
extract