The DATAFORMADDINCATALOG table stores custom addins for data form instances.  
                                        Primary Key
                                        
                                            
                                                
                                                    | Primary Key | Field Type | 
                                            
                                            
                                                
                                                    | ID | uniqueidentifier | 
                                            
                                        
                                        Fields
                                        
                                            
                                                
                                                    | Field | Field Type | Null | Notes | Description | 
                                            
                                            
                                                
                                                    | NAME | nvarchar(60) |  | Default = '' | A friendly-name for the data form addin | 
                                                
                                                    | DESCRIPTION | nvarchar(1000) |  | Default = '' | A description for the data form addin | 
                                                
                                                    | ASSEMBLYNAME | nvarchar(128) |  | Default = '' | The name of the CLR assembly containing the addin | 
                                                
                                                    | CLASSNAME | nvarchar(128) |  | Default = '' | The name of the class within the assembly that implements the addin | 
                                                
                                                    | ENABLED | bit |  | Default = 1 | Indicates whether or not the addin is enabled | 
                                                
                                                    | SEQUENCE | int |  | Default = 0 | Provides a sequence when loading multiple addins for a data form | 
                                                
                                                    | DATAFORMADDINSPECXML | xml |  |  | Contains the spec used to create the data form addin | 
                                                
                                                    | 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. | 
                                            
                                        
                                        Foreign Keys
                                        
                                        Indexes
                                        
                                            
                                                
                                                    | Index Name | Fields | Unique | Primary | Clustered | 
                                            
                                            
                                                
                                                    | IX_DATAFORMADDINCATALOG_DATEADDED | DATEADDED |  |  | yes | 
                                                
                                                    | IX_DATAFORMADDINCATALOG_DATECHANGED | DATECHANGED |  |  |  | 
                                                
                                                    | PK_DATAFORMADDINCATALOG | ID | yes | yes |  | 
                                                
                                                    | UC_DATAFORMADDINCATALOG_NAME | NAME | yes |  |  | 
                                                
                                                    | UIX_DATAFORMADDINCATALOG_DATAFORMINSTANCEID_ASSEMBLYNAME_CLASSNAME | DATAFORMINSTANCEID, ASSEMBLYNAME, CLASSNAME | yes |  |  | 
                                            
                                        
                                        Triggers