HF
EJB page 429 question 13.
Can somebody please explain the meaning of these statements:
A. Path expression (.) is considered the navigation operator.
B. Path expression can terminate with cmr-field or cmp-field
D.Path expression can end with single value or collection value.
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HF EJB page 430 question 17.
Can somebody please explain the meaning of this statement:
A.The
single_valued_path_expression must be a
String value.
In the specs its mentioned
single_valued_path_expression ::={single_valued_navigation | identification_variable}.cmp_field |
single_valued_navigation
I am not clear about single_valued_path_expression, please somebody help :
Thanks in advance.
[ May 20, 2005: Message edited by: Meg Adal ]
[ May 20, 2005: Message edited by: Meg Adal ]