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?