How to improve SQL Query

Hi, I have to search record from one table that consists of more than 75 million row records. I've try to index in this table.
My problem is query result execute so slowly. How to increase the performance so i can get query result quickly ??
here is my explain plan :
PLAN_TABLE_OUTPUT
Plan hash value: 2042796762
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 12 | 45118 (10)| 00:09:02 |
|* 1 | TABLE ACCESS FULL| EID_DATA | 1 | 12 | 45118 (10)| 00:09:02 |
Predicate Information (identified by operation id):
1 - filter(RAWTOHEX("UID_DATA")='80297CFA353B0488')
13 rows selected
Thank you..

Hi,
if you have an index on UID_DATA, the query cannot benefit from it because the column is wrapped in RAWTOHEX function. Creating a function-based index on RAWTOHEX(UID_DATA) should help. If this function call wasn't added to the query explicitly, then you should work on why it showed up there and how to get rid of it.
Next time you post a similar problem, please don't forget to include the query's text.
Best regards,
Nikolay

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