On 2/7/15, Doug Currie doug.cur...@gmail.com wrote:
In response to this SO question:
http://stackoverflow.com/questions/28377210/how-to-retrieve-rank-based-on-total-mark-in-sqlite-table
I tried to formulate a query without temp tables using an ordinary CTE, but
received an error misuse of
James K. Lowden wrote:
1. Last I checked, SELECT in a column position in the SELECT clause as
in
select foo (select ...)
is not permitted by the SQL standard.
This example indeed is not valid SQL syntax.
However, SELECT in a column position is allowed:
select (select 42);
This
On 2/8/2015 10:23 PM, James K. Lowden wrote:
I have a couple of efficiency questions for those who know:
1. Is the left-join on a CTE apt to be more effecient than the version
that uses a correlated subquery in the SELECT clause?
I'm guessing it matters in some DBs but from testing it
-users-
boun...@sqlite.org] On Behalf Of R.Smith
Sent: Monday, 9 February, 2015 04:51
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] ordinary CTE containing sum()
On 2/8/2015 10:23 PM, James K. Lowden wrote:
I have a couple of efficiency questions for those who know:
1. Is the left-join
: Monday, 9 February, 2015 04:51
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] ordinary CTE containing sum()
On 2/8/2015 10:23 PM, James K. Lowden wrote:
I have a couple of efficiency questions for those who know:
1. Is the left-join on a CTE apt to be more effecient than the version
Thank you, Richard. It works for me now.
e
On Mon, Feb 9, 2015 at 1:30 PM, Richard Hipp d...@sqlite.org wrote:
On 2/7/15, Doug Currie doug.cur...@gmail.com wrote:
In response to this SO question:
I'm interested in this too (since I rely on it working). According to the
documentation this should be perfectly legal and seems like an arbitrary
limitation (or a bug). It says:
An ordinary common table expression works as if it were a view that exists
for the duration of a single statement.
In response to this SO question:
http://stackoverflow.com/questions/28377210/how-to-retrieve-rank-based-on-total-mark-in-sqlite-table
I tried to formulate a query without temp tables using an ordinary
CTE, but received an error misuse of aggregate: sum().
tonypdmtr
On Sun, 8 Feb 2015 09:57:54 -0500
Doug Currie doug.cur...@gmail.com wrote:
tonypdmtr http://stackoverflow.com/users/3735873/tonypdmtr on SO
posted a CTE solution; it is something like this, which works for me:
with tt (S_id, total) as
(select S_id, sum(ca1) + sum(ca2) + sum(exam) as
In response to this SO question:
http://stackoverflow.com/questions/28377210/how-to-retrieve-rank-based-on-total-mark-in-sqlite-table
I tried to formulate a query without temp tables using an ordinary CTE, but
received an error misuse of aggregate: sum().
This works:
sqlite with tt (S_id,
On Sat, 7 Feb 2015 12:31:37 -0500
Doug Currie doug.cur...@gmail.com wrote:
In response to this SO question:
http://stackoverflow.com/questions/28377210/how-to-retrieve-rank-based-on-total-mark-in-sqlite-table
I tried to formulate a query without temp tables using an ordinary
CTE, but
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