1. A database system-implemented method comprising: detecting, by and incrporating into the database system, an attempt by a user to manipulate a data file; and facilitating, via the database system, real-time collaboration via a collaboration application at the database system, wherein facilitating includes: determining control privileges including one or more user control levels associated with users and one or more file control levels associated with data files, wherein the one or more file control levels are dynamically modified, in runtime, corresponding to changes in sensitivities associated with the data files, comparing a user control level associated with the user with a file control level associated with the data file, wherein comparing includes determining whether the user control level is higher or lower than the file control level, and blocking the attempt, if the user control level is lower than the file control level.