FAQ & Troubleshooting

Frequently Asked Questions

• HOWTO: Enable ODBC trace to troubleshoot specific ODBC client connectivity issues on UNIX/LINUX
• How does Hyper-Q implement complex UPDATE statements on SQL DW?
• Why does Hyper-Q employ emulation for simple UPDATE statements with join on SQL DW?
• How can I modify or tune a Hyper-Q query?
• How to Increase Client Response Buffer Size
• What does "DTM9034: Unsupported reconnect request" mean?
• How Does Hyper-Q Perform Bulk Load Error Handling?
• Can Datometry Emulate UPSERTS?
• I receive an error when submitting a specific query
• What does "DTM3102: Failed to connect to the underlying database" mean?
• I cannot connect successfully with a client application
• Where are Hyper-Q's log files located?
• What does "No license key file found in directory: '/opt/datometry/dtm-2.5.21+b3180/config'." mean?
• What does "Found pid file (/tmp/dtm-2.5.21+b3180/dtm.pid); referring to live process." mean?
• What does "Attempting deletion of stale pid file." mean?
• What does "Endpoint port '1025' unavailable: address already in use" mean?.
• How do I set up accounts for client applications?