(B)0[mvalue-expr =
qqqwqqq> host-variable qqqqqqqqqqqqwqqq>
tqqq> db-field qqqqqqqqqqqqqqqqqu
tqqq> quoted-string qqqqqqqqqqqqu
tqqq> numeric-literal qqqqqqqqqqu
tqqq> statistical-expr qqqqqqqqqu
tqqq> arithmetic-expr qqqqqqqqqqu
tqqq> missing-value qqqqqqqqqqqqu
tqqq> first-expr qqqqqqqqqqqqqqu
tqqq> concat-expr qqqqqqqqqqqqqqu
tqqq> dbkey qqqqqqqqqqqqqqqqqqqu
tqqq> ( qq> value-expr qq> ) qqqu
tqqq> - qq> value-expr qqqqqqqqu
mqqq> + qq> value-expr qqqqqqqqj
The concat-expr consists of the concatenate operator ( | ) and
two value expressions. The concat-expr joins the second value
expression to the first value expression.