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JDBC and Relational Databases
SQL: howto retrieve only the first row?
Joined: Sep 10, 2004
Dec 21, 2007 10:04:00
I have the following table and wonder how can I select all tickets that the FIRST Origin is JFK and code is 873?
In this example I expect only Ticket=1088 to return because ticket 1005 doesn�t start at JFK.
Thanks for any pointers
Joined: Dec 20, 2006
Dec 21, 2007 12:37:00
very untested statement
select t1.ticket from mytable t1 where t1.origin = 'JFK' and t1.code = 873 and not exists ( select 1 from mytable t2 where t2.ticket = t1.ticket and t2.code = t1.code and t2.id < t1.id )
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