DB2 Everyplace Sync Server includes several filtering options for horizontal-, vertical-, and user-based filtering methods. Filtering data from the server is an important part of controlling the data available to the client. Filtering can also help control client database size by synchronizing the minimum amount of data necessary for a specific client. This chapter explains how to use the DB2 Everyplace Sync Server filtering methods with users, groups, and subscriptions to control client data.