The cubrid_num_rows function is used to get the number of rows from the query result. It can be used for SELECT statements. For INSERT, UPDATE, or DELETE queries, use the cubrid_affected_rows function.
Note: The cubrid_num_rows function can only be used for synchronous query; it returns 0 when it is used for asynchronous query.
result comes from a call to cubrid_execute, cubrid_query and cubrid_prepare
Number of rows, when process is successful.
0 when the query was done in async mode.
-1, if SQL statement is not SELECT.
false when process is unsuccessful.