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Informix Error -6004: No database open.

Cause and resolution

No database open.

The program has called a function that requires a database to be open, but none is open. The program must call dbselect() before it calls this function.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-6004 fires when a function requiring an open database is called with none open — per the archived catalogue, dbselect() must run first.

  1. A data-access function called with no database currently open, per the archived catalogue.
Solutions / Resolution
  1. Call dbselect() to open a database before calling this function, per the archived catalogue.
Examples
N/A

No specific triggering statement is documented beyond the function-level condition described above.

Diagnostic Checks
  1. Confirm dbselect() has succeeded before this call is reached.
Related Errors / Related Topics
  • -6000 — "Tried to perform an operation on an unopened table or database. Database not yet opened."
  • -6002 — "Tried to open more than one database."

Call dbselect() before any function that requires a database to already be open.