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Found 3 results

  1. id | mid | pid | owgh | nwgh |1 3 12 1.5 0.62 3 12 1.5 0.33 3 14 0.6 0.44 3 15 1.2 1.15 4 16 1.5 1.06 4 17 2.4 1.27 3 19 3.0 1.4 Select mid , COUNT(distinct pid) as cpid , SUM(nwgh) as totalnwgh from test GROUP BY mid sqlfiddle : link of below result with above query mid cpid totalnwgh3 4 3.84 2 2.2 But above i need one more column that's as below : **totowgh** mid cpid totalnwgh totowgh3 4 3.8 6.3 (DISTINCT value as per pid column)4 2 2.2 3.9 where totowgh = 6.3 come by DISTINCT value as per pid columnthat's mid = 3 has count 5 but distinct pid = 4 for mid=3 same way "distinct" owgh = 6.3 for mid=3 and distinct pid.As pid=12 is count 1 time hence,1.5 + 0.6 + 1.2 + 3 = 6.3 ( please not this is as per DISTINCT value of pid )Please note : i need owgh value as per distinct pid or group by pid .. because if i replace value of owgh 0.6 with 1.5 then it will be 5.7 instead of 7.2 but value of owgh 0.6 belong to pid = 14 and not pid = 12 hence totalcount of owgh change ...but i need is 7.2SEE WHAT I MEANS : sqlfiddle.com/#!9/2a53c/6
  2. How to Increase Group Concat Length

    how to increase group caoncat length in sql quaries.....? please give me suggestions........
  3. How are groups meant to be used?

    When I read the documentation regarding the "group" element, it looks like it would be used similar to the "all", "any" or "choice" tags. It also says that it has optional "name" and "ref" attributes that cannot be used simultaneously. However, when I try to create a group within a sequence, I get a validation complaint that the required "ref" attribute is missing. The page at http://www.w3schools.com/schema/el_group.asp does not say anything about a situation where this would be required. It does have an example where a group is declared with a name and then used, by reference, later within a complex type definition. There it makes sense that the "ref" attribute is required to reference the pre-defined group. Is this something like a macro that can be used to name some elements to be used in multiple type definitions by reference? Can a group be created within a sequence without a name or ref attribute?
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