Notifications
| Field Name | Type | Description | 
|---|---|---|
| id | int(11) | The unique record id | 
| subject | varchar(255) | short description | 
| description | TEXT | Details | 
| expiration_date | DATE | Date when it would expire | 
| active_flag | BIT | whether it is still valid or not | 
| created_at | DATETIME | Time and Date on which it was created | 
| updated_at | DATETIME | Time and Date on which the information was last updated |