Thread: What does mean: NUMBER OF INDEX' TUPLES (21539) IS NOT THE SAME AS HEAP (18607)'

What does mean: NUMBER OF INDEX' TUPLES (21539) IS NOT THE SAME AS HEAP (18607)'

From
"Mendola Gaetano"
Date:
Hi, someone know what exactly means
NUMBER OF INDEX' TUPLES (21539) IS NOT THE SAME AS HEAP (18607)'
obtained during a Vacuum ?
I use Postgres 7.3.2 on a linux box.

Thank you
Gaetano