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> Subject: [PERFORM] CREATING INDEX on column having null values
>
> Hi,
>
>
> I have a partitioned table(partitioned on date) .There are about 1 million
> insertions per day. There is a column called mess_id. This column is updated
> .But update query is takin
Hi,
I have a partitioned table(partitioned on date) .There are about 1 million
insertions per day. There is a column called mess_id. This column is updated
.But update query is taking huge time.When i checked , this column is not
unique, and most of the time its having null . Say everyday out of
