Returns true if a
string expression field contains a specific substring, find.
Determine which countries in a the vector of fields represented by SALES.COUNTRIES.COUNTRYNAME_ contains the ‘n’ character.
contains(string expr field, string find)
- field : string to search; an expression evaluating to
find : string to search field for evaluating to
contains returns true when it finds find in expr and false otherwise.
contains is not case sensitive.