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SQL Server Cross Join Query

You can do this with conditional aggregation:

select machine,
       sum(case when result = 0 then 1 else 0 end)
as num_0,
       sum(case when result = 1 then 1 else 0 end)
as num_1
from my_table
group by machine;

Categories : SQL

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How to send cross domain requests from client to server?
You can make a request using JSONP; see the following for examples. An example from that site: (function($) { var url = ''; $.ajax({ type: 'GET', url: url, async: false, jsonpCallback: 'jsonCallback', contentType: "application/json", dataTyp

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linq to sql query in a background worker Invalid cross-thread access
This is because You cannot access UI thread objects in background worker dowork method as it executes in seperate thread not in UI it is executing in different thread and you try to access UI thread object. You have to Store text box text in some string and use that variable in method. See following link for details :

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Improve SQL Server query
I ran your query through a code formatter to help clean it up. I also change the variable declaration since you didn't seem to understand what I was saying. For the record, the way you had it coded you might have missed some rows in the last few milliseconds of the day. I changed the DATEDIFF function to use the datepart name spelled out because it is just too easy use the wrong abbreviation and

Categories : SQL
SQL Server 2008 R2: Query performance
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Categories : Sql Server
SQL Server : query multivalued table recursive
I think that the following recursive CTE will give you what you want: ;WITH cte AS ( SELECT m2.object_id AS groupID, m2.attribute_name FROM @mms AS m1 INNER JOIN @mms_mv AS m2 ON m1.object_id = m2.reference_id INNER JOIN @mms m3 ON m2.object_id = m3.object_id WHERE m1.attribute_type = 'user' AND m3.attribute_type = 'group' UNION ALL SELECT m.object_id AS groupID, m.attribut

Categories : SQL
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