sql server - Simple MS SQL count question -


मेरे पास यह एसक्यूएल है 

  DECLARE @URL varchar (100) SET @url = Http://mysite.com/% 'SELECT [UserSessionSequenceID], [साइटआईडी], [रेफरर], [टाइमस्टैम्प], ROW_NUMBER () से अधिक (प्रतिभागी [रेफरर] आदेश द्वारा रेफरर डीईएससी) [एफटीएएम [टीबीएसएक्वेनेशन] से [ अभ्यर्थी] शून्य और [रेफरर] नहीं है @ रैल और साइटआईडी = 15

अनन्य रेफेरर की गिनती करना चाहते हैं - समस्या यह है कि यह एसक्यूएल सभी मैचों की वापसी करता है और एक-एक करके उन्हें गिनती करता है।

यह कैसे करें?

पाठ "आइटमप्रॉप =" पाठ "> 
  का चयन करें [संदर्भकर्ता], गणना ([रेफरर]) के रूप में RefCount FROM [tblSequence] कहां [रेफरर] नहीं है और [रेफरर] नहीं @ सर्कल और साइटआईडी = 15 ग्रुप द्वारा [रेफरर]

ऑर्डर वापस वापस करना (वास्तव में आवश्यक होना चाहिए) आपके सटीक आवश्यकताओं पर निर्भर करता है।


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