How to write Pass-through filters using ApplySimple, ApplyAgg and ApplyComparison functions. The syntax always follows the format Applyfunction("#0....", Arg1, Arg2). The script inside the " " always depends on the type of database used and can vary from one database to another, so seek your DBs expertise or google online examples specific to your database before writing the scripts if unsure. This video focuses on what types of functions you users can create and how to correctly write them.
