Re: Problem with select statement for duplicate data
От | Lukasz Brodziak |
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Тема | Re: Problem with select statement for duplicate data |
Дата | |
Msg-id | AANLkTimDAoJHEG1ey9EZ_svseAjDG5J5E8zPnpr5=ter@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Problem with select statement for duplicate data (Jayadevan M <Jayadevan.Maymala@ibsplc.com>) |
Список | pgsql-novice |
Hello, As Jay wrote your query should look like this: select column1,column2,column3,count(*) from table group by column1,column2,column3 having count(*) > 1; 2010/12/21 Jayadevan M <Jayadevan.Maymala@ibsplc.com>: >> select column1,column2,column3,count() from table >> group by column1,column2,column3 having count() > 1; >> >> This however gives me the following error: >> >> ERROR: count(*) must be used to call a parameterless >> aggregate function > > Shouldn't it be count(*)? > select column1,column2,column3,count(*).......having count(*) > 1 > > Regards, > Jayadevan > > > > > > > DISCLAIMER: > > "The information in this e-mail and any attachment is intended only for > the person to whom it is addressed and may contain confidential and/or > privileged material. If you have received this e-mail in error, kindly > contact the sender and destroy all copies of the original communication. > IBS makes no warranty, express or implied, nor guarantees the accuracy, > adequacy or completeness of the information contained in this email or any > attachment and is not liable for any errors, defects, omissions, viruses > or for resultant loss or damage, if any, direct or indirect." > > > > > > > -- > Sent via pgsql-novice mailing list (pgsql-novice@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-novice > -- Łukasz Brodziak "What if everyting around You isn't quite as it seems, What if all the world You think You know is an inelaborate dream When You look at Your reflection is that all you want it to be What if You could look right through the cracks Would You find Yourself...... Find Yourself afraid to see"
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