ery is running only on users that have an id that ends with 00.
>>
>> At the end we multiply by 256 and get a pretty close number to the real
>> number.
>>
>>
>>
>> Itai
>>
>>
>>
>> On 01/14/2011 01:14 PM, Radek Maciaszek wrote:
>>
s with 00.
>
> At the end we multiply by 256 and get a pretty close number to the real
> number.
>
>
>
> Itai
>
>
>
> On 01/14/2011 01:14 PM, Radek Maciaszek wrote:
>
> Hi,
>>
>> I am working on some large scale unique users analysis (think hund
number to the real
number.
Itai
On 01/14/2011 01:14 PM, Radek Maciaszek wrote:
Hi,
I am working on some large scale unique users analysis (think hundreds
of millions of records per day). Since number of all records per month
goes into many billions I am hoping that there may be some
Hi,
I am working on some large scale unique users analysis (think hundreds of
millions of records per day). Since number of all records per month goes
into many billions I am hoping that there may be some alternative to running
"SELECT DISTINCT user_unique_id..." such as sampling data
