How to decrease the access time of a table (when a query is accessing it)

Hi
I have few master tables. Any of those table do not contains more than 1000 records. These tables are not updated frequently.
Now I want to make 6 or 7 table so that the access time becomes less than that of the others tables.
For example
say I have 10 master tables
table1
table2
table3
table4
table5
table6
table7
table8
table9
table10
Say the access time for a query that access these tables is 10ms.
I want to decrease the access time for table1, table2,table3 and table,4 say I want to make it 5 ms.
Could you please tell me how can I do that?
Regards

Hi,
As you have stated master tables, I am not sure, have you checked with"creating a Cluster" , might check once which might suffice your requirement else
1 - Check the design once again
2 - tune the queries
3 - Check for materialized view
further based on your inputs we can suggest or analyze some thing.
- Pavan Kumar N

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