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Pivot Chart

I have realy big problem. I have txt file linked as linked table to my mdb database. This table can contain aproximatelly 1 000 000 records (teoretically), but real count is 100-500 000 records. I have based Pivot chart on this table, but it takes maybe 2 minutes until data are accessed and prepared. Then it takes more then 3 minutes to refresh data according user selection. This table is STAND ALONE, without relations to other table. Is there any possibility to speed up this PIVOT Chart routines and problem? Please help me, I have no idea what to do...
Jul 24 '07 #1
1 1159
nico5038
3,080 Expert 2GB
I have realy big problem. I have txt file linked as linked table to my mdb database. This table can contain aproximatelly 1 000 000 records (teoretically), but real count is 100-500 000 records. I have based Pivot chart on this table, but it takes maybe 2 minutes until data are accessed and prepared. Then it takes more then 3 minutes to refresh data according user selection. This table is STAND ALONE, without relations to other table. Is there any possibility to speed up this PIVOT Chart routines and problem? Please help me, I have no idea what to do...
The only speedup I can detect wil be the change of the user filtering.
When you change that query into a MakeTable query and base the Pivot chart on that, the Pivot processing might be faster, but the table creation will cost.
Only when you filter first and than do the Pivot will give an "overall" gain.

Nic;o)
Jul 27 '07 #2

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