(B)0[mcross-clause = qqwqq> [4mCROSS[m qqq> relation-clause qqwqq>qqqqqqqqqqqqqqqqqqqqqqqqqqqwqq> x mqq> [4mOVER[m qwq> field-name qqwqwj x mqqqqq , <qqqqqqqj x x x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqq<qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj
1 – Format arguments
relation-clause A clause that specifies a context variable for a stream or a loop. For more information see the entry on Context Variables. field-name The name of a field in a relation. For example, once you have defined E as the context variable for the EMPLOYEES relation, E.LAST_NAME is a value expression that refers to a value from the LAST_NAME field of EMPLOYEES.