MERCHANDISEPRODUCTINSTANCE
                                        An actual instance of an item which can be sold.  
                                        Primary Key
                                        
                                            
                                                
                                                    | Primary Key | Field Type | 
                                            
                                            
                                                
                                                    | ID | uniqueidentifier | 
                                            
                                        
                                        Fields
                                        
                                            
                                                
                                                    | Field | Field Type | Null | Notes | Description | 
                                            
                                            
                                                
                                                    | LOOKUPCODE | nvarchar(25) |  | Default = '' | An alternate lookup code that can be a sku, upc, etc... | 
                                                
                                                    | COST | money |  | Default = 0 | The cost of the item when purchased from the vendor. | 
                                                
                                                    | SALEPRICE | money |  | Default = 0 | The price at which the product is sold to patrons. | 
                                                
                                                    | MARKUP | money (Computed) | yes | SALEPRICE-COST | The difference between price and cost. | 
                                                
                                                    | 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. | 
                                                
                                                    | ONHANDQUANTITY | int |  | Default = 0 | The on hand quantity for the product instance. | 
                                                
                                                    | ISACTIVE | bit |  | Default = 1 | The active status of the product instance. | 
                                                
                                                    | CUSTOMIDENTIFIER | nvarchar(100) |  | Default = '' | User-definable custom identifier. | 
                                                
                                                    | SEQUENCEID | int |  |  | Identity column used to increment the default lookupid. | 
                                                
                                                    | LOOKUPID | nvarchar(100) (Computed) | yes | (CASE LEN(CUSTOMIDENTIFIER) WHEN 0 THEN '8-' + CAST(SEQUENCEID AS nvarchar(20)) ELSE CUSTOMIDENTIFIER END) | Unique identifier that supports user defined values as well as system generated values. | 
                                                
                                                    | BARCODE | nvarchar(24) (Computed) | yes | 'SKU0' + cast(SEQUENCEID as nvarchar(20)) | Stores the unique system generated barcode for a product instance. | 
                                                
                                                    | ITEMDETAILS | nvarchar(150) (Computed) | yes | dbo.UFN_MERCHANDISEPRODUCTINSTANCE_BUILDDESCRIPTION(ID) |  | 
                                            
                                        
                                        Foreign Keys
                                        
                                            
                                                
                                                    | Foreign Key | Field Type | Null | Notes | Description | 
                                            
                                            
                                                
                                                    | MERCHANDISEPRODUCTID | uniqueidentifier |  | MERCHANDISEPRODUCT.ID | The product from which the instance is created. | 
                                                
                                                    | ADDEDBYID | uniqueidentifier |  | CHANGEAGENT.ID | FK to CHANGEAGENT. | 
                                                
                                                    | CHANGEDBYID | uniqueidentifier |  | CHANGEAGENT.ID | FK to CHANGEAGENT. | 
                                                
                                                    | VENDORID | uniqueidentifier | yes | VENDOR.ID |  | 
                                            
                                        
                                        Indexes
                                        
                                            
                                                
                                                    | Index Name | Fields | Unique | Primary | Clustered | 
                                            
                                            
                                                
                                                    | IX_MERCHANDISEPRODUCTINSTANCE_DATEADDED | DATEADDED |  |  | yes | 
                                                
                                                    | IX_MERCHANDISEPRODUCTINSTANCE_DATECHANGED | DATECHANGED |  |  |  | 
                                                
                                                    | IX_MERCHANDISEPRODUCTINSTANCE_LOOKUPCODE | LOOKUPCODE |  |  |  | 
                                                
                                                    | IX_MERCHANDISEPRODUCTINSTANCE_MERCHANDISEPRODUCTID | MERCHANDISEPRODUCTID |  |  |  | 
                                                
                                                    | PK_MERCHANDISEPRODUCTINSTANCE | ID | yes | yes |  | 
                                                
                                                    | UC_MERCHANDISEPRODUCTINSTANCE_LOOKUPID | LOOKUPID | yes |  |  | 
                                                
                                                    | UIX_MERCHANDISEPRODUCTINSTANCE_BARCODE | BARCODE | yes |  |  | 
                                            
                                        
                                        Triggers
                                        
                                        Referenced by