Hallo,

I try to modify  a Table (6.000.000 Rows) with the DDL:

ALTER TABLE D_GEO ADD COLUMN IDX NUMERIC(11) NOT NULL DEFAULT 1;

an I recive this error:

Error: java.sql.SQLException: A communications error has been detected: Read timed out., SQL State: 58009, Error Code: -4499

How can I to resove or analyse the error?

Regards

Tomás