write database error
RM does a great job! Congratulations to the development team!
I am now learning it and having fun; I should say I already have some experience with other commercial DM suites.
Here is some problem I've encountered: I've read a dataset from a Postgresql database table, loaded a classification model I've learned previously and scored the dataset, successfully displayed the scored dataset, and then tried to save it in a new database table (using the operator Write Database). It did not work because the values of one of the attributes had more than 9 characters! It seems that RM always creates table columns for the nominal attributes with the SQL type name (why such a limitation?), whose length is 9 characters. Even if I created a table myself where the result was to be stored with proper data types, it did not work either - same error. However, the Read Database operator managed to read the same column correctly in the beginning.
Any comments on this? Have you experienced similar problems with other database management systems? Any solution? Finally I removed the column before saving the result and it worked ... but ... it is not what I intended.
Thanks for your comments. Regards