private void Open(string dbPath)
{
string cxionString = $"Data Source={dbPath};Version=3;Page Size=65536;journal_mode=OFF;synchronous=OFF;count_changes=OFF;temp_store=MEMORY";
cxion = new SQLiteConnection(cxionString);
cxion.Open();
cmdCountReferences = cxion.PrepareCommand("SELECT count(*) FROM InstanceReferences WHERE InstanceAddress= @instanceAddress");
paramInstanceAddress_CountReferences = cmdCountReferences.CreateParameter("@instanceAddress");
}