                 return
             }
         
-            //execute the update statement
+            //execute the change statement
             error = SQLiteDB.sharedInstance.executeChange(sqlStr)
         
             //close database connection

    */
    public static func createIndex(#name: String, onColumns: [String], inTable: String, isUnique: Bool = false) -> Int? {
        
        //create the success variable
        var error: Int? = nil

        //create task closure

                return
            }
        
            //execute the change statements
            for sqlStr in sqlArr {
                if let err = SQLiteDB.sharedInstance.executeChange(sqlStr) {
                    SQLiteDB.sharedInstance.close()
