(B)0[mmissing-cond-expr
qqq> db-field-expr qqq>qqqqwqq>qqqqqqqwqq> [4mMISSING[m qqq>
mqq> [4mNOT[m qqj
1 – Format arguments
db-field-expr A database field value expression. A field
name qualified with a context variable.