Re: SQL challenge--top 10 for each key value?
От | Josh Berkus |
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Тема | Re: SQL challenge--top 10 for each key value? |
Дата | |
Msg-id | 200404090906.39541.josh@agliodbs.com обсуждение исходный текст |
Ответ на | Re: SQL challenge--top 10 for each key value? (Rod Taylor <pg@rbt.ca>) |
Ответы |
Re: SQL challenge--top 10 for each key value?
Re: SQL challenge--top 10 for each key value? |
Список | pgsql-sql |
Rod, > Something along the lines of the below would accomplish what you want > according to spec. ROW_NUMBER() is a spec defined function. (6.10 of > SQL200N) Great leaping little gods! They added something called "row number" to the spec? Boy howdy, folks were right ... the ANSI committee really has completly blown off the relational model completely. First there was the addition of network-database functions so that IBM could make DB2 look more like a real database, now this .... When a standards committee becomes hostage to a handful of vendors, kiss real standards goodbye. -- Josh Berkus Aglio Database Solutions San Francisco
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