The columns of the Modifications tab display information about the most recent operation (outline update, data load, or calculation) performed against the database:
Operation—Type of operation, such as data load or calculation
User—Name of the user who performed the operation
Start Time—The time, according to Essbase Server, that the operation began, including preparatory tasks, such as locking data (For the duration of the operation, see the elapsed time entry in the application log.)
End Time—The time, according to Essbase Server, that the operation ended
Note—A comment, which may or may not be provided
display database (MaxL) in the Oracle Essbase Technical Reference
getdbstats (ESSCMD) in the Oracle Essbase Technical Reference