SALESORDERITEMMEMBERSHIPADDON
                                        Stores membership add-on information for sales orders.  
                                        Primary Key
                                        
                                            
                                                
                                                    | Primary Key | Field Type | 
                                            
                                            
                                                
                                                    | ID | uniqueidentifier | 
                                            
                                        
                                        Fields
                                        
                                            
                                                
                                                    | Field | Field Type | Null | Notes | Description | 
                                            
                                            
                                                
                                                    | ADDONTYPECODE | tinyint |  | Default = 0 | Specifies the type of add-ons: additional member or guest. | 
                                                
                                                    | DATEADDED | datetime |  | Default = getdate() | Indicates the date this record was added. | 
                                                
                                                    | DATECHANGED | datetime |  | Default = getdate() | Indicates the date this record was last changed. | 
                                                
                                                    | TS | timestamp |  |  | Timestamp. | 
                                                
                                                    | TSLONG | bigint (Computed) | yes | CONVERT(bigint, TS) | Numeric representation of the timestamp. | 
                                                
                                                    | ADDONTYPE | nvarchar(17) (Computed) | yes | CASE [ADDONTYPECODE] WHEN 0 THEN N'Benefit' WHEN 1 THEN N'Additional member' END |  | 
                                            
                                        
                                        Foreign Keys
                                        
                                        Indexes
                                        
                                            
                                                
                                                    | Index Name | Fields | Unique | Primary | Clustered | 
                                            
                                            
                                                
                                                    | IX_SALESORDERITEMMEMBERSHIPADDON_DATEADDED | DATEADDED |  |  | yes | 
                                                
                                                    | IX_SALESORDERITEMMEMBERSHIPADDON_DATECHANGED | DATECHANGED |  |  |  | 
                                                
                                                    | IX_SALESORDERITEMMEMBERSHIPADDON_MEMBERSHIPID | MEMBERSHIPID |  |  |  | 
                                                
                                                    | IX_SALESORDERITEMMEMBERSHIPADDON_SALESORDERITEMMEMBERSHIPID | SALESORDERITEMMEMBERSHIPID |  |  |  | 
                                                
                                                    | PK_SALESORDERITEMMEMBERSHIPADDON | ID | yes | yes |  | 
                                            
                                        
                                        Triggers