Database :: majorVersionCount - Number of major versions
When any kind of managed versioning is enabled ( versioningMode() ), the function returns the number of major versions created for the database. When the versioning mode is not managed, the function returns 0 .
When the database handle is not valid, the function throws an exception.
Return value: Number of items ( int32 )
The value contains the number of items to be processed or stored in a collection.