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  3. July 2010

Re: Mitigate Table Probe - Index Only Access

Back again

Index-only access means the fields you are listing are all found in an index. But we can't say much more without seeing the statement and maybe the DDS or DDL for the table and indexes you have. At least show us the statement. If you have expressions in where clauses, maybe things won't do what you expect. things like that.

Vern

On 7/9/2010 8:24 AM, Ryan Hunt wrote:
Not sure if I'm missing it somewhere but I'm trying to create some covering
indexes that will mitigate table probes. When viewing the Visual Explain,
I'm not seeing an explanation anywhere of why column required the additional
table probe. Is that reported anywhere?




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