COLUMN_NAME DATA_TYPE NULLABLE DATA_DEFAULT COLUMN_ID COMMENTS
ID_USER NUMBER No null 1 null
USERNAME VARCHAR2(150 BYTE) Yes null 2 null
EMAIL VARCHAR2(150 BYTE) Yes null 3 null
PASSWD VARCHAR2(512 BYTE) Yes null 4 null
PID NUMBER Yes null 5 null
LAST_LOG DATE Yes null 6 null