String length in Adobe campaign classic
Need your help for understanding below points in Adobe campaign classic.
1.Can we define a string length greater than 255 characters while creating a schema or configuring during data loading activity?
2.if we are using a predefined filter, incase if there is a change in targeting dimensions will the predefined filter work?
3.What is a delivery variable?
4. In data loading loading activity what is the necessity of sample file and upload a file from the local machine? what error we can encounter if either of it is worng?