code: private void updateTableMetadata(String table, Delta delta, Audit audit, @Nullable InvalidationScope scope) {
          _backingStore.update(_systemTable, table, TimeUUIDs.newUUID(), delta, audit,
                  scope == InvalidationScope.GLOBAL ? WriteConsistency.GLOBAL : WriteConsistency.STRONG);
  
          // Synchronously notify other emodb servers of the table change.
          if (scope != null) {
              _tableCacheHandle.invalidate(scope, table);
          }
      }
docs: Write the delta to the system table and invalidate caches in the specified scope.