Hello,
I am using sqlite3 on am embedded platform. I am using c++ to enter data. I
have BLOB field, and I do not know how to enter hex values from a data
string. I am trying to use update, but how do I enter col_name=' data '
format?
How does ' escaping work? I could not find help on the
or error from sqlite3.
Roman
On Tuesday 04 April 2006 05:21 pm, Thomas Chust wrote:
> On Tue, 4 Apr 2006, Roman wrote:
> > [...] I am using sqlite3 on am embedded platform. I am using c++ to
> > enter data. I have BLOB field, and I do not know how to enter hex values
> > from
I know that ALTER TABLE -> ALTER COLUMN is not supported by sqlite3.
I misspelled a column name, and I am curious if there is a command to change
the name from sqlite3 interface.
Thanks,
RK
http://sqlzoo.net/howto/source/z.dir/tip557646/i02create.xml
says that such is not possible
On Friday 07 April 2006 11:39 am, Roman wrote:
> I know that ALTER TABLE -> ALTER COLUMN is not supported by sqlite3.
>
> I misspelled a column name, and I am curious if there is a command
Hi Dennis,
I followed your path and managed to rebuild my table. All is well in the land
of Roman now. Thanks again,
Roman
On Friday 07 April 2006 11:57 am, Dennis Cote wrote:
> Roman wrote:
> >http://sqlzoo.net/howto/source/z.dir/tip557646/i02create.xml
> >
> >says that
it now. The
time stamp on the file is from yesterday, showing correct time. I need to
update a table (I use shell) and I get "database is locked". Is there a way to
figure out what is happening? Clear the lock?
Thank you for your help,
Roman
Subject: Re: [sqlite] database is locked
On 1/14/15, Roman Fleysher <roman.fleys...@einstein.yu.edu> wrote:
> Dear SQLiters,
>
> There has been a lot of discussion, I remember, on this subject by others.
> Please forgive me for asking this for a millionth time.
>
> I somehow got
Thank you, Richard.
You are correct, I made a typo: we have NFS not NTFS and I know they are buggy.
I always use the same node on our compute cluster to minimize buffering issue.
So, are you saying I can not clear the database lock and must rebuild the
database?
Roman
Thank you!!
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Richard Hipp [d...@sqlite.org]
Sent: Wednesday, January 14, 2015 1:31 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite] database
Wow, thank you Hick! I will try it.
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Hick Gunter [h...@scigames.at]
Sent: Thursday, January 15, 2015 1:34 AM
To: 'General Discussion of SQLite Database'
Subject: Re
I like that!!!
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Simon Slavin [slav...@bigfraud.org]
Sent: Thursday, February 26, 2015 5:33 AM
To: General Discussion of SQLite
.
Thank you,
Roman
grateful to all SQLiters for making SQLite
available.
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Richard Hipp [d...@sqlite.org]
Sent: Monday, July 13, 2015 11:54 AM
To: General
, if it exists. Obviously, software may also impement other
algorithms developed by other people, not directly the software developers. I
would expect the "main" SQLite publication to mention them.
Roman
From: sqlite-use
data.
I was elated when I implemented first equation. This is like stored procedure.
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of R.Smith [rsm...@rsweb.co.za]
Sent: Wednesday
sqlite> select 'a'||examID||'a', typeof(examID) from mainDB.Exam where
mainDB.Exam.examID like 30;
'a'||examID||'a' typeof(examID)
--
a30a integer
sqlite> select 'a'||examID||'a', typeof(examID) from mainDB.Exam where
mainDB.Exam.examID=30;
sqlite>
Thank you,
Roman
CREATE TABLE Exam(
examID TEXT PRIMARY KEY NOT NULL
I will also add, as most inexperienced programmers do, "but it worked before".
The database was created with older version of SQLITE and the code worked with
the same older version. Could it matter?
Thank y
ral Discussion of SQLite Database
Subject: Re: [sqlite] select * where is/like ?
On 19 May 2015, at 4:07pm, Roman Fleysher
wrote:
> CREATE TABLE Exam(
> examID TEXT PRIMARY KEY NOT NULL
Works fine for me. I tested inserting as text, integer and real in case they
did something weir
RE solved the problem. However,
manual says "=" and "IS" are identical except when treating "NULL". What is the
difference?
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailin
On 19 May 2015, at 4:43pm, Roman Fleysher
wrote:
> Now I have two questions:
>
> 1. I created database from scratch using new version of SQLITE and PRAGMA
> integrity_check; produces "missing index" as before.
Are you telling us that you have a sequence of command
check on demographics.sqlite is OK.
Thank you for your help,
Roman
s
updated (not on insert). I presume that trigger should not be triggered. Not
knowing what sqlite_autoindex_Exam_1 means, and seeing "Exam" I conclude the
relationship between my subject() and Exam() tables might be relevant for the
problem.
Roman
___
Yes, I can provide full schema and data set. As far as I remember this mailing
list does not accept attachments. Would that be OK to send in body of email? It
is not that big.
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users
aphics" VALUES('0029','1988-08-04','26','18','Male');
INSERT INTO "demographics" VALUES('0030','1967-12-13','47','16','Male');
INSERT INTO "demographics" VALUES('0031','1983-11-05','31','16','Male');
-- Offending statement:
PRAGMA foreign_keys=ON;
INSERT OR IGNORE INTO subject(subjectID, dob, gender)
SELECT subjectID, dob, gender FROM demographics;
PRAGMA integrity_check;
-- Roman
using 5 year old version of sqlite that we have on
our system.
How will i know the patch/new version is available? By checking ticket link?
Thank you,
Roman
Sent from my T-Mobile 4G LTE Device
Original message
From: Richard Hipp <d...@sqlite.org>
Date: 05/19/2015 3:37 P
if CAST() modification that you
propose should actually be the correct SQL code that I should adopt permanetly.
We like implicit conversions, but as C++ is more strict than C with regard to
casting, should it be my better practice to always explicitly cast?
Thank you,
Roman
Since coordinate system is spherical, how do you tell that RA=23:59 and
RA=00:01 are next to each other using usual comparisons?
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Dan Kennedy [danielk1
coordinates the metric could use some
other coordinates?
Roman
Original message
From: "Brian T. Carcich" <briantcarc...@gmail.com>
Date: 12/18/2013 1:24 AM (GMT-05:00)
To: General Discussion of SQLite Database <sqlite-users@sqlite.org>
Subject: Re: [sqlite
to ProjID in OpenProjects.
Multi-table solution is a bad one, even of SQLite can handle it (I think it
can).
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of jose isaias cabrera [cabr...@wrc.xerox.com]
Sent: Wednesday
OK, thank you, Igor! I presume there is no way to get documentation for older
versions -- no point in keeping.
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Igor Tandetnik [i...@tandetnik.org]
Sent: Thursday
of Richard Hipp [d...@sqlite.org]
Sent: Thursday, April 03, 2014 5:03 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite] INSERT several rows
On Thu, Apr 3, 2014 at 4:52 PM, Roman Fleysher <
roman.fleys...@einstein.yu.edu> wrote:
> OK, thank you, Igor! I presume there is no w
with empty tables
which is an empty table?
Is this a bad design and I should add a quality column:
badMetric(examID, metric, reason, quality)
What could be other solutions?
Thank you,
Roman
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of SQLite Database
Subject: Re: [sqlite] isBad table bad design?
On Thu, Apr 3, 2014 at 6:32 PM, Roman Fleysher <
roman.fleys...@einstein.yu.edu> wrote:
> Dear SQLiters,
>
> Could some help if this is bad design or my lack of knowledge of SQL:
>
> I have a table that keeps
on several nodes accessing the same
database.
What about GPFS? As I read its description, it promises to flush and report
correctly.
Thank you,
Roman
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that generates the insert commands) is
the one that should be assigning the sequence numbers. It is this code only
that knows which goes first, especially if we are talking about multithreaded
computation. ROWID is "order as inserted by SQLite" not "order as inserted by
dispenser&qu
Dear SQLiters,
PRAGMA integrity_check is described to check UNIQUE and NOT NULL constraints.
Does it check other CHECK constraints specified in the column definition?
Thank you,
Roman
. Is that expected?
Thank you,
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Simon Slavin [slav...@bigfraud.org]
Sent: Thursday, September 10, 2015 6:39 PM
To: General Discussion of SQLite
Thank you, Simon.
Meanwhile, I tested if PRAGMA integrity_check checks column constraints. You
can bump up 90% of being sure it does not to 100%. It does not. Is there a way
to do it, other than export the data out and try to re-insert it?
Roman
From
OK, Thank you.
Meanwhile (again) I check that PRAGMA integrity_check='yes' did not disable
TEXT NOT NULL. Is that a bug in 3.8.8.3?
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf
) SELECT rowid FROM input;
Error: NOT NULL constraint failed: subject.gender
I am using SQLite 3.8.11.1. Am I misusing the PRAGMA?
Thank you,
Roman
Thank you Richard!
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Richard Hipp [d...@sqlite.org]
Sent: Thursday, September 10, 2015 7:50 PM
To: General Discussion of SQLite
I just downloaded and tested using 3.8.11.1. It and 3.8.8.3 have the same
behavior -- do not disable.
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Richard Hipp [d
IS
datetime(AcquisitionDateTime))
when I insert '2015-08-10T17:19:37.670' or '2015-08-10 17:19:37.670' fails.
Why? How to do it properly?
Thank you,
Roman
Thank you. I did not notice loss of fractional seconds. I now see in the manual
that datetime() is equivalent to strftime('%Y-%m-%d %H:%M:%S', ...), with
capital "S" rather than lower "f" at the end that I expected.
Roman
From:
nfolding disruptive innovation.
SQLite was and is a disruptive innovation. SQLite is not a toy.
Thank you for making it.
Roman
From: sqlite-users-bounces at mailinglists.sqlite.org [sqlite-users-bounces at
mailinglists.sqlite.org] on behalf of Simo
I am new to database and SQLite too. I found this in archive. What if I would
like GUI, where I would go?
Thank you,
Roman
I assume when you say "discrete" you actually mean "bracketed" as there are
lots more than 10 heights and weights.
I don't know what Excel has to
Dear SQLiters,
I am new to SQLite and learning it (and SQL) using shell. It would make life
easier if arrow keys on keyboard could be used to scroll through command
history and along command for editing. Is there a way to enable this?
Thank you,
Roman
ot;, "Left" or nothing "", i.e. fail
otherwise. But:
INSERT INTO subject (subjectID,"qqq");
actually inserts qqq. Am I doing something wrong? I read manual that newer
versions of sqlite should enforce CHECKs.
Thank you,
Roman
_
Thank you, both
typeof(handedness)='null'
and
handedness is null
work. I see the problem and agree.
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Peter Aronson [pbaron...@att.net]
Sent: Friday, May 17
ion when passing
threshold --- it did not.
I could replace INTEGER primary key by TEXT primary key and auto increment will
go away. How can I keep integer?
Thank you,
Roman
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Thank you, INTEGER -> INT solved the problem. According to manual, this will
make search slower, but I give data integrity more weight for now.
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Igor Tandetnik
for less than a
month.)
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Petite Abeille [petite.abei...@gmail.com]
Sent: Wednesday, June 05, 2013 3:15 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite
statements and script names to be called even if security is
not an issue?
Can someone recommend an ORM? What are the pros and cons of using them? If this
list is inappropriate for such discussion, please also let me know and I will
refrain.
Thank you,
Roman
___
Bravo Alex !!
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Alex Bowden [a...@designlifecycle.com]
Sent: Monday, July 01, 2013 12:34 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite] Is there a way
columnName;
Or this is not doable within SQL and I must execute internal select separately
and have application compose second (external) select?
Thank you,
Roman
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displaying the table.
Thank you,
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Igor Tandetnik [i...@tandetnik.org]
Sent: Monday, July 29, 2013 8:48 PM
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] can column
on column. Using this
analogy, I would write:
select * from t WHERE x = y USING NOCASE
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Igor Tandetnik [i...@tandetnik.org]
Sent: Thursday, August 22, 2013 3:53
s
produce different results is complex even though I know how to decipher. I do
not mind typing an extra word -- a modifier for comparison -- to make clear
what I want to happen. I do not think this increases complexity. Complexity is
sometimes equated to the lack of clarity. In fact, it is the c
ase)
insert into t values ('A');
select count(*) from t where x = 'a' nocase;
Roman
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Igor Tandetnik [i...@tandetnik.org]
Sent: Thursday, August 22, 2013 8:14 PM
To: sqlite-use
22, 2013 9:37 PM
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] BETWEEN and explicit collation assignment
On 8/22/2013 9:01 PM, Roman Fleysher wrote:
>> create table t(x text collate nocase);
>> insert into t values ('A');
>> select count(*) from t where x = 'a';
>
>>
requires specification which of the attributes of those
underlying objects are relevant. Collation rule is such a specification, an
algorithm that tells comparator how to compare two strings -- objects of the
same type. Type alone is not enough, if we want all types to fit human heads.
Roman
these are their attributes.
Therefore, I agree with Simon: it is the comparison ( "=", BETWEEN, IN , etc)
statements that must be modified with a collation, not their operands.
Roman
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In Bayesian statistics there is a term "prior", prior probability.
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Richard Hipp [d...@sqlite.org]
Sent: Tuesday, September 10, 2013 3:26 PM
To: General Discussion of
What about doing this via NFS? I presume no guarantee?
From: sqlite-users-boun...@sqlite.org [sqlite-users-boun...@sqlite.org] on
behalf of Dan Kennedy [danielk1...@gmail.com]
Sent: Thursday, September 26, 2013 11:31 AM
To: sqlite-users@sqlite.org
Thank you! Worked!
Roman
From: sqlite-users-boun...@mailinglists.sqlite.org
[sqlite-users-boun...@mailinglists.sqlite.org] on behalf of R Smith
[rsm...@rsweb.co.za]
Sent: Tuesday, July 05, 2016 3:13 PM
To: sqlite-users@mailinglists.sqlite.org
Subject: Re
Dear SQLiters,
I made a mistake and inserted a new line char, "\n" in the middle of a text. I
now would like to replace it with nothing. Something like:
replace(columnName, '\n','')
But this will interpret "\n" literally, as two symbols. How do I do it
My mistake: I do not update DB. I rename (unix mv) the DB.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Roman Fleysher [roman.fleys...@einstein.yu.edu]
Sent: Thursday, February 16, 2017 12:33 AM
To: General
using sqlite3 version 3.8.11 (also command shell). I seem
to be able to replicate that.
Roman
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Can't you count how many rows there are and then sort by the variable of
interest, limiting output to half the count, all within SQL?
Roman
Sent from my T-Mobile 4G LTE Device
Original message
From: Ronald Gombach <ron...@gombach.com>
Date: 11/21/16 7:12 AM (GMT
for
analysis.
Thank you,
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Richard Hipp [d...@sqlite.org]
Sent: Wednesday, January 11, 2017 4:44 PM
To: SQLite mailing list
Subject: Re: [sqlite] extension to run bash
you,
Roman
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Yes, Richard, this is exactly what I mean.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Richard Hipp [d...@sqlite.org]
Sent: Wednesday, January 11, 2017 4:34 PM
To: SQLite mailing list
Subject: Re: [sqlite
to sqlite. Or
From sqlite, use extension to run commands for each row.
Both have issues.
Roman
Original message
From: Richard Hipp <d...@sqlite.org>
Date: 1/11/17 7:23 PM (GMT-05:00)
To: SQLite mailing list <sqlite-users@mailinglists.sqlite.org>
Subject:
SQLite access is.
GFS2 and GPFS supposedly solve file synchronization issue (by sharing disk
inodes rather than files ). I never tested this (we have GPFS) and do not know
about other file systems.
Roman
From: sqlite-users [sqlite-users-boun
No. I was not aware of these tools. Are any of them good? Maintained?
I am mostly using sqlite3 shell from bash scripts. Do you know if some of them
are suitable replacements?
Is this off the topic of the original question?
Thank you,
Roman
From
et timeouts to avoid this.
(By the way, PRAGMA busy_timeout = milliseconds; prints new timeout to screen.
I would expect printing only if new value is not provided.)
Thank you
Roman
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http://mai
Thank you, Richard.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Richard Hipp [d...@sqlite.org]
Sent: Thursday, August 03, 2017 3:38 PM
To: SQLite mailing list
Subject: Re: [sqlite] command shell .timeout
On 8/3
to use INSTEAD OF trigger. Is that the right way? Or I
have to create a temp table that maps old linkID to new linkID, somehow.
Roman
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. A TEMP trigger is
allowed to query or modify any table in any ATTACH-ed database.
I need to be able to specify db2.t in the body of the trigger. But this is not
allowed, right? Then how could it work? I mean it does not. Should it work?
Roman
From
I am sorry, I did not ask the question correctly. I omitted "... link two
tables, using foreign key...".
I now see last sentence on http://sqlite.org/lang_createtable.html which states
that it is not possible.
Roman
From: sqlite-users [sq
Dear SQLiters,
Is it possible to link two tables using rowid, the implicit column? I tried and
it did not work, so I presume the answer to my question is "no".
Thank you,
Roman
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link them. Perhaps I
will use ALTER TABLE mechanism.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Keith Medcalf [kmedc...@dessus.com]
Sent: Monday, July 24, 2017 6:58 PM
To: SQLite mailing list
Subject: Re: [sql
on 3.16.22.
Thank you,
Roman
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My apology, I can not read. http://sqlite.org/lang_createtrigger.html clearly
states that CTE is not supported in triggers.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Roman Fleysher [roman.fleys
Thank you, David. Now it totally makes sense to me. I realize this is SQL not
SQLite question.
Thank you,
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
David Raymond [david.raym...@tomtom.com]
Sent: Wednesday
Oh, now i understand. Thank you, Simon.
Roman
Original message
From: Simon Slavin <slav...@bigfraud.org>
Date: 5/16/17 5:35 PM (GMT-05:00)
To: SQLite mailing list <sqlite-users@mailinglists.sqlite.org>
Subject: Re: [sqlite] SAVEPOINT with multiple databases
on the
transaction stack as any other, INSERT/UPDATE/DELETE?
Thank you,
Roman
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Dear SQLiters,
Vacuuming seems to belong to a different thread, but let me say that it is not
always warranted. Vacuuming may change/reassign ROWIDs. If you have two
databases (backup and production?) that used to be linked via such a key, it
will break.
Roman
pes, but each value still has a
type. And this is a very very big advantage of SQLite.
Perhaps longer term is "flexibly strongly typed". Perhaps because "typed"
implies "strongly" (what is a weak type?), strongly is redundant.
Roman
Original message
) and because of
the experience you gained by conclusion of the project, I am rather certain you
will be able to obtain additional funding to continue and refine the answer to
the newer version of SQLite available then. The future is in your hands!
Roman
condition that if x is removed from one list, it must
be removed from the other. This is easy to add for ones who understand how it
works.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
E.Pasma [pasm...@concepts.nl]
Sent
Why does SQLite have to follow what PostgreSQL does? I thought SQLite is the
leader.
Roman
Sent from my T-Mobile 4G LTE Device
Original message
From: Richard Hipp <d...@sqlite.org>
Date: 5/9/18 5:48 AM (GMT-05:00)
To: SQLite mailing list <sql
(at
16:44:11). Time of start of 2283 looks correct, agrees with my watch, because I
started this job manually.
Roman
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Thank you for pointing the 24 hours. I did not notice the day change.
Now, I have no idea how this can happen. I will investigate more.
Roman
From: Graham Holden [sql...@aldurslair.com]
Sent: Tuesday, May 15, 2018 3:39 PM
To: Roman Fleysher
Cc: General
there is a value with the exact
same value inside the database ( executed with the sqlite c++ api without usage
of prepared parameters)
Kind regards
Roman Stiefsohn
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pots
either because the points were never on the list or were eliminated.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
Barry Smith [smith.bar...@gmail.com]
Sent: Tuesday, May 01, 2018 6:12 PM
To: SQLite mailing list
Pairs (x,y) do not repeat.
Actual x and y are positive integers, but I do not see how being positive can
be relevant. Integer is important for sorting/comparison.
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf
-05:00)
To: SQLite mailing list <sqlite-users@mailinglists.sqlite.org>
Subject: Re: [sqlite] probably recursive?
Ah my bad, I misunderstood the initial condition. nX is a function of X. My
statements were only true if nX=X. Well, sorry about the noise.
> On 2 May 2018, at 8:20 am,
, number of dots on all vertical lines must be more
than nX and number of dots on all horizontal lines must be more than nY.
Could this be achieved with SQLite?
Roman
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GROUP BY x HAVING count(x) < 25)
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SELECT x, y FROM deleteList;
Roman
From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf of
David Raymond [david.raym...@tomtom.com]
Sent: Tuesday, May 01, 2018 10:27
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