what is the table structure

db_common.php keeps throwing error. column not found
currently i m working on events.php file

can anyone tell me what is the table structure ?

data is stored in single table or multiple table ?

can i create my own table ? if yes then how to change the related php files

Default structure is the next
docs.dhtmlx.com/scheduler/how_to … estructure

You can use a custom table, but it must have at least fields for storing event id, start date and end date ( other fields are optional )