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Need a query to pull 15 mins records

 
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shanth555

New User


Joined: 17 Aug 2012
Posts: 35
Location: India

PostPosted: Tue Mar 17, 2015 5:34 pm    Post subject: Need a query to pull 15 mins records
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Code:

A_datetime              A_name
2015031700:00:00    Shanth
2015031700:15:00    Sundar
2015031700:16:00    Madhu
2015031700:30:00    Kishore


Result should be for each 15 mins count

Code:

Count 00:00 to 00:15     2
Count 00:16 to 00:30     2
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GuyC

Senior Member


Joined: 11 Aug 2009
Posts: 1281
Location: Belgium

PostPosted: Thu Mar 19, 2015 8:40 pm    Post subject:
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Code:
select
    date(My_timestamp)
   ,time('00.00.00') + (midnight_seconds(My_timestamp) / 900 * 900) seconds
   ,time('00.00.00') + (midnight_seconds(My_timestamp) / 900 * 900 + 899) seconds
   , count(*)
  from My_table
 group by
    date(My_timestamp)
   ,time('00.00.00') + (midnight_seconds(My_timestamp) / 900 * 900) seconds
   ,time('00.00.00') + (midnight_seconds(My_timestamp) / 900 * 900 + 899) seconds
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