The edited source data, such as the imported text file, Excel file and bin file, can be directly saved in the source fil export, append,write, diverse format
The data maintenance functionality is used to add, delete or modify data in the composite table according to a txt, csv, append, update,delete
A composite table stores data in a special format and has the extension .ctx. Let’s look at how to generate and use a cocomposite table, ctx, create, dimension, attach, append, basetable, attached table, parent table