What's the consensus on using sqlite with flash based storage such as sd
cards on embedded devices?
Has anyone done this successfully yet with a real product (that needs to
last a few years in the field)?
How does one solve the problem of minimizing writes to flash? I've done
a search through the
Igor Tandetnik wrote:
>
> "paul schindler" <[EMAIL PROTECTED]>
> wrote in message news:[EMAIL PROTECTED]
>> sqlite3_column_decltype("select amount from myvirtualtable", 0)
>> returns "INTEGER" -> good!
>>
>> BUT:
&
D. Richard Hipp wrote:
>
>
> On Sep 5, 2008, at 9:03 AM, paul schindler wrote:
>
>>
>> Hello,
>>
>> I have a virtual table and some (by me) declared datatypes are
>> "TEXT10" or
>> "INTEGER" or "DATE"...
>
Is there a possibility to get the declared datatype of an aggregate
function?
Because the function sqlite3_column_type() always returns SQLITE_NULL for my
virtual tables...
Thanks for every help!
Paul
--
View this message in context:
http://www.nabble.com/Get-declared-Datatype-of-SQLite-Vir
,
Paul
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"def" SQLITE_ENABLE_FTS3. I can guess by setting it to some value
somewhere.
Please tell me how to do this and I will go back to powerbasic and leave you
guys alone.
thanks,
Paul Breen
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hange this behavior, simply ignoring the pieces that fail and
continuing on?
Thanks,
Paul
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flakpit wrote:
> Is there a way of querying the database to list all duplicate entries from a
> column in the same table?
>
> Something like "SELECT * FROM mytable WHERE last NOT UNIQUE"
>
> fred, johnson
> roger, johnson
>
>
An unoptimised 'off the top of my head' solution would be:
select * f
Joanne Pham wrote:
> Do I miss some commands here? I thought the database file size shoud get much
> smaller after the delete operation but it isn't.
> Can you please help to let me know how to get the database file szie smaller.
> I have tried "VACUUM" but the file's size didn't change.
>
VACU
[EMAIL PROTECTED] wrote:
> If I have something like a real estate database where each customer
> can have an ordered list of houses they want to visit, is there a
> recommended way to design tables that just link to other tables to
> create the ordered list? I have a table of houses and a table of
For Windows XP, where should I place the Sqlite .DLL's for best Sqlite
operation, and for usage with other COM components?
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27;bbb' row from the table (for
example), the results would come back as
14 aaa
32 xxx
4 1 zzz
So, rowid '2' would be missing.
PaulVPOP3 - Internet Email Server/Gateway
[EMAIL PROTECTED] htt
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Igor Tandetnik
Sent: Thursday, March 06, 2008 7:57 AM
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] Limiting the number of results from a query per group
"Paul Hilton"
<[EMAIL PROTECT
me, but as many simultaneous groups as there are. I will then
mark these IDs as done, and go on to the next lot until they are all done.
Paul Hilton
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rimary key?
"Paul Hilton" <[EMAIL PROTECTED]> wrote:
>
> Here is the problem: I want Slot created to disambiguate the Primary Key,
So
> that for every value of Group the value of Slot starts at 1 and counts up.
These are two different things:
(1) Slot needs to disam
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dennis Cote
Sent: Monday, March 03, 2008 6:38 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite] Can I automatically create a 'disambiguation' number
in a second field of a primary
rimary key?
Paul Hilton wrote:
> Hello,
>
> I have source tables Talker and Listener, each with fields ID (PK,
Integer)
> and Group (Integer):
>
> CREATE TABLE Talker (ID INTEGER, Group INTEGER, Primary Key (ID));
> Ditto Listener
>
> I would like to make a table Communic
1 47 15
2 2 15 47
2 3 37 47
2 4 37 15
Thanks for any help.
P
ave to do a sequential scan to get the result, it can be quicker to
do, say, two indexed scans in SQLite and then operate on the two
result sets (eg doing a union or intersect) to produce the final
result set, but this is the exception rather than the rule (for us anyway).
Paul Smith
_
On 17/09/2007, John Machin <[EMAIL PROTECTED]> wrote:
> On 17/09/2007 1:07 PM, Joe Wilson wrote:
> > --- "D. Richard Hipp" <[EMAIL PROTECTED]> wrote:
> > I have been struggling with the performance of insertion in sqlite.
> >
> > Here we have a very simple case :
> >
> > A table
Hi Mike,
i have noticed that things take a lot longer if they aren't surrounded by a
BEGIN;
do work;
COMMIT;
does that make a difference for you?
Paul
On 09/08/07, mos <[EMAIL PROTECTED]> wrote:
> I'm building my first index on a large table using the "Create i
elect column from abc; " didn't work !
not essential, just a nice-to-have.
thanks
Paul
On 09/08/07, miguel manese <[EMAIL PROTECTED]> wrote:
> Igor has answered this before. Roughly:
>
> 1. all tables has an implicit integer column named "rowid" that is
> auto
On 09/08/07, Paul Harris <[EMAIL PROTECTED]> wrote:
> Hi,
>
> Can someone please explain why adding the auto_increment term seems to
> STOP the auto_increment behaviour?
>
> $ sqlite3
> SQLite version 3.3.17
> Enter ".help" for instructions
> sqlite&
es ('justvalue');
sqlite> insert into def (id,value) values (null,'withid');
sqlite> select * from def;
id|value
1|justvalue
2|withid
sqlite>
Note that abc (the one with auto_increment) does NOT fill in the id
primary key. Baffling to anyone except for me?
thanks
Paul
re an existing wiki page or place on
the web where this sort of thing is documented? This sort of
information is gold, and while I've only been on the mailing list a
short time, many of the messages have revolved around the SQL language
and varying behaviours across platforms.
thanks
Paul
-
To unsubscribe, send email to [EMAIL PROTECTED]
-
On 03/08/07, john s wolter <[EMAIL PROTECTED]> wrote:
> Wiki's. I have not used them myself. What's the general idea? Is there a
> form type that would be easy to use?
>
wikis are very easy to use. in short, its basically a "forum" where
people can write and store information in a form that c
On 03/08/07, Nikola Miljkovic <[EMAIL PROTECTED]> wrote:
> [In the message "Re: [sqlite] Re: Re: how do i declare and use variables in
> sqlite?" on Aug 3, 11:47, "Paul Harris" writes:]
> > > >> create temporary table vars (name text, value someth
i haven't been around long, but here's my 2c anyway,
i find the sourceforge forums hopeless, any time I need to look for
info on one of their projects, i end up looking through their mailing
list - where forum posts are automatically sent to anyway.
mailing lists are good for on-going issues.
wik
vars (name text, value something);
insert into vars set name="x", value=0;
update vars,table2 set column2=value where name = 'x';
something like that.
thanks,
Paul
-
To unsubscribe, send email to [EMAIL PROTECTED]
-
thing = (select value from vars where name="x")...
>
> I real life you might want to create better named temporary table
> directly with select and use its values without having to
> search through names.
> If this is slow you can attach in memory database wh
shed some light on this for me?
>
> AFAIK, this isn't something you do with SQLite. You can retrieve values
> into variables in the host language (C, C++, or some wrapping language),
> and you can bind their values into SQL statements.
>
in MySQL, you can do something l
lite3 release?
thanks
Paul
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-
lite3 release?
thanks
Paul
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-
Thanks but i forgot to specify that i'm on Mac :(
Something else for me ??
Le 13 juin 07 à 16:44, Jim Dodgen a écrit :
www.datanamic.com
Début du message réexpédié :
De : Paul KOENIG <[EMAIL PROTECTED]>
Date : 13 juin 2007 16:26:56 HAEC
À : sqlite-users@sqlite.org
Hi,
I'm new with SQLite.
Do someone know a database designer like DBDesigner for SQLite?
I want to create a graphic Entity-RelationShip sche
s the problem, but, for some reason you're
mixing C/C++ syntax in with SQL there.
You don't use '==', you should just use '='
You don't use '!=', you should use '<>'
So, try
SELECT PO.* FROM Koppel
LEFT JOIN PO
.
Instead of having two indices on columns A and B, you need to
consider having another index on both columns at once.
PaulVPOP3 - Internet Email Server/Gateway
[EMAIL PROTECTED]
Very simple to replicate:
CREATE VIRTUAL TABLE fts_table USING fts2(text);
INSERT OR REPLACE INTO fts_table (rowid, text) VALUES (1, 'text1');
INSERT OR REAPLCE INTO fts_table (rowid, text) VALUES (1, 'text2');
The first insert succeeds, the second fails.
Is FTS not supposed to support
nate developer to join our team building
products. Position is in the Washington D.C. metro area. If interested
contact [EMAIL PROTECTED]
-----Original Message-
From: Paul Quinn [mailto:[EMAIL PROTECTED]
Sent: Saturday, April 07, 2007 11:54 AM
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] Maste
Quite simply, both the FTS1 and FTS2 modules return an error on INSERT OR
REPLACE when there is a conflict. The rowid is being supplied with the
INSERT statement which is generating the conflict.
Is this by design, a known issue, or a defect?
I'm also having trouble with FTS inserts/deletes as
I did set up a trigger for DELETEs, but even then the fts_table would find a
way to have more rows than master after a short while. Some delete's are
simply being ignored/failed by the FTS module it seems.
I would have liked to also use triggers for INSERTs, but how do you create a
trigger whe
I have a database setup that creates a master table, and a child 'Full Text
Search' (FTS) table that matches it by rowid. My problem is with keeping the
FTS table in sync with the master. Let me explain in SQL:
setup like so:
CREATE TABLE master (a, b);
CREATE VIRTUAL TABLE fts_table USING fts2(
lock the database from all other
access
copy the file on the file system
rollback transaction to release the lock
-Clark
- Original Message
From: Paul Richards <[EMAIL PROTECTED]>
To: sqlite-users@sqlite.org
Sent: Thursday, April 5, 2007 4:23:18 AM
Subject: [sqlite] API for backups
Hi,
Are there functions in the SQLite API for creating live backups of a database?
I see that the sqlite3 command line tool has a "dump" command, but can
this feature be accessed through the normal C API?
--
Pau
ited them, my wife's version
would change too.
That, in a nutshell, is normalization.
I hope that helps, but like I said at the start, it depends how you see
your app working. Your original question implied that you would have 1
file and many tables in it (1 for each user) which wo
complete wx-sqlite3 sample project!
I have no particular preference for any IDE. I only have 2 requirements:-
1) It must work (without needing a PHd in computing to make that happen!)
2) It must cost me very little (i.e. nothing!!!)
So, Code::Blocks is ok if only 1) can be solved! Can you help?
--
Paul
-
To unsubscribe, send email to [EMAIL PROTECTED]
-
> Hi,
>
> Paul Simpson wrote:
>>> Hi,
>>>
>>> Paul Simpson wrote:
>>>> Hi,
>>>>
>>>> I'm trying to use the dll version of SQLite within an application
>>>> written
>>>> in C++ using w
> Hi,
>
> Paul Simpson wrote:
>> Hi,
>>
>> I'm trying to use the dll version of SQLite within an application
>> written
>> in C++ using wxWidgets.
>>
> [snip]
>
>
> In case you missed, there is already an interface:
>
> h
; wxOK | wxICON_ERROR, NULL);
>> return false;
>> }
>
> I don't see a Step() up there. Maybe it's never executing the pragma
> to set the user-cookie.
>
Doh! How stupid am I? Thnks for that ;-)
--
Paul
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To unsubscribe, send email to [EMAIL PROTECTED]
-
(msg, wxT("File Open Failure"),
wxOK | wxICON_ERROR, NULL);
return false;
}
My apologies for what is probably a silly mistake, but this is driving me
mad! Any help ratefully received!
--
Paul
-
To unsubscribe, send email to [EMAIL PROTECTED]
-
> Paul Simpson <[EMAIL PROTECTED]>
> wrote:
>> sqlite3_stmt **ppStmt;
>> const char **pzTail;
>>
>> rc = (sqlPrepareAdd)(newdb,
>> getDBVersion.c_str(),getDBVersion.length(),ppStmt,pzTail);
>
> Make it
>
> sqlite3_stmt* pSt
d the prepare_V2 functions. I
know it is that line, because if I comment it out!
pologies for the poor coding (I'm learning!) but could anyone tell me what
I'm doing wrong, please?
Many thanks
--
Paul
Code:-
dbConnection.h
#include "sqlite3.h"
typedef int (*SQLCALLBACK
Think I managed to solve it using:-
print '%s' % (row[0], row[1])
Paul
Paul Issott wrote:
Hi, I'm a newbie using sqlite 3 via Python 2.5, I've created a db using
CREATE TABLE messages (
id INTEGER PRIMARY KEY,
subjectTEXT
)
Populated it with a few lines a
Hi, I'm a newbie using sqlite 3 via Python 2.5, I've created a db using
CREATE TABLE messages (
id INTEGER PRIMARY KEY,
subjectTEXT
)
Populated it with a few lines and one of the row of rows is (1, u'News')
after:-
rows = curs.fetchall()
How do I pass these parameters in a cgi s
On Wed, 15 Nov 2006 03:28:50 +, [EMAIL PROTECTED] wrote:
Jean-Paul Calderone <[EMAIL PROTECTED]> wrote:
I've hit a case where SQLite is selecting a suboptimal index for my query and I want to
do something to tell it to use a different index. I'm familiar with the "+&q
statuses AS s WHERE s.msg =
m.id AND s.name = ? ;
Is there any way to convince SQLite to use the index I want?
Thanks,
Jean-Paul
-
To unsubscribe, send email to [EMAIL PROTECTED]
-
On 10/20/06, A. Pagaltzis <[EMAIL PROTECTED]> wrote:
You didn't use the CGI module, did you?
If you must know it was POE based and no I did not use the CGI module. I
have implemented later versions that where capable of using database
servers. SQLite amoung them of course as well as MySQL and
ressed with your work though.
I will take a look and see what I can use this thing for, because it sounds
like something that can be useful. One last remark, when I built mine I
spent hours deciphering HTTP's exact workings. I hope you didn't have to do
the same.
Paul M
e is great and all, but in your case as I have said would be far
more trouble than its worth.
Sincerely,
Paul
ent DB engine supporting xBASE database files.
PaulVPOP3 - Internet Email Server/Gateway
[EMAIL PROTECTED] http://www.pscs.co.uk/
-
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-
one insert,
so anyone have any suggestions on what could be the cause? Thanks in
advance.
Paul
you can just given them all the journal entries
after that number, and they can run the SQL on their end. which will give.
You can make your routine which modifies the database just keep a
copy of the SQL used whenever the action succeeds, and store that in
the Journal table.
Paul
On 7/8/06, Martin Jenkins <[EMAIL PROTECTED]> wrote:
Nuno Lucas wrote:
> Please don't feed the troll...
Well, I have to add my two cents here. I've been following this thread and
alot of people have been generous enough to the troll. I think its nice to
see a community such as this that is ge
On 7/1/06, Bernie Cosell <[EMAIL PROTECTED]> wrote:
What's the current state of GUI-based managers for SQLite? I know there
have been various admin apps for SQLite, but I've been out of touch and I
didn't see any linked out of the sqlite.org web page.
Hi, Well my personal favourite and the o
one index for the query. (It tries to pick the best one)
PaulVPOP3 - Internet Email Server/Gateway
[EMAIL PROTECTED] http://www.pscs.co.uk/
ich are much quicker).
Usually careful creation of the suitable indices helps a lot.
Read http://www.sqlite.org/optoverview.html - this gives some details of
the limited optimisations that SQLite can do, so you can try to take
advantage of them
Paul
wrapper
users (tcl perl) and one for those using the C API.
Regards, Paul Nash
Excellent - thanks for the recommendation. I'm assuming the wrapper dll
doesn't contain the sqllite dll embedded in it?
John Newby wrote:
I was having this problem also but I just copied the dll file into the
directory, and it worked fine with the ado.net wrapper at
http://adodotnetsqlite.sour
I'm trying to add sqlite3.dll ot my application in VS 2005. I
downloaded the dll from the sqlite home page. VS simply says that it is
not a valid assembly and can't be loaded.
I have no idea what to do next...
Can anyone point me in the right direction?
Cheers
Paul Hunnisett
On 4/24/06, Jim C. Nasby <[EMAIL PROTECTED]> wrote:
>
> Keep in mind, there's *WAY* more Windows users than Linux users; that
> doesn't mean Windows is a better OS.
Indeed also keep in mind both Postgres and MySQL are cross platform as well.
One final thought: the support you'll be able to get
Welcome to quoting hell. :-)
But I had a tcl tablecopy, and my databases all have a data definition so
doing it the right way was real easy. But I did want to point out that the
recommended .DUMP method is flawed.
Regards, Paul Nash
webscool.org
- Original Message -
From: &quo
Hello, just a short question: Does this use the index on f
select * from t where SUBSTR(f,1,1) = 'a'
so that it is an alternative for
select * from t where ( f >= 'a' and f < 'b' )
Thanks a lot
Paul
in
.DUMP. Maintaining the textedness of values in columns with text affinity in
ver 2 would ease the move to ver 3.
Regards, Paul Nash
[EMAIL PROTECTED] wrote:
> Paul Bohme <[EMAIL PROTECTED]> wrote:
>
>> I have a small patch that adds "BEGIN SHARED" syntax in addition to
>> IMMEDIATE and EXCLUSIVE. I have an application that requires a
>> consistent view of the data across a number of
I have a small patch that adds "BEGIN SHARED" syntax in addition to
IMMEDIATE and EXCLUSIVE. I have an application that requires a
consistent view of the data across a number of individual statements.
What is ideal is a way to simply lock the database with a SHARED lock
for the duration, but t
Daniel Franke wrote:
> Layering. Wrap sqlite3_* into your own set of functions. Create another
> library, say libyourapp. Most functions will just forward the arguments to
> sqlite, but others, e.g. yourapp_open_db() will not only open the database,
> but also attach a couple of functions, which
I tried it. Apparently the error gets thrown by the stmt.execDML()
statement. It never makes it to any code past the execDML.
Paul
- Original Message -
From: "Jay Sprenkle" <[EMAIL PROTECTED]>
To:
Sent: Friday, March 31, 2006 10:49 AM
Subject: Re: [sqlite] SQLITE_BUSY
Opening Database
C_DAOPerformer Compiling Insert Statement
C_DAOPerformer Binding values
C_DAOPerformer Executing DML
C_DTOPerformer::insertInfo()DAO executed
The function gets as far as the Executing DML line, then it stops. After some
seconds, a message box appears with the error message in it.
Any ideas from anyone would be greatly appreciated.
TIA,
Paul
- Original Message -
From: "Nuno Lucas" <[EMAIL PROTECTED]>
To:
Sent: Wednesday, March 01, 2006 10:36 PM
Subject: Re: [sqlite] Extrange files
The only problem is that it can be a race condition between the
closing of the handle and the actual delete command (because you can't
delete
but not much luck. Thanks for looking
99.99% of the time when somebody wants to make a table with that many
columns, it's because they don't understand relational databases and are
trying to put information that should be in a joined table into columns in
the main table.
--
Paul Tom
963 1
cosdb=>insert into t values (3, 3);
INSERT 973964 1
cosdb=>insert into t values (4, 4);
INSERT 973965 1
cosdb=>select avg(a), avg(b) from t;
avg | avg
+------
3. | 3.33
(1 row)
cosdb=&g
debating your VCS, Trac forces you into
SVN (mostly). There is currently work to support varying VCS backends,
monotone is not on the list of supported systems yet... But there is a ticket
to have it added.
http://projects.edgewall.com/trac/ticket/1492
--paul
-Original Message-
From
that
means being able to compare versions, roll back erroneous edits, get what
the database looked like before a particular editor came along, etc. Is
there anything written on this topic? Has anybody ever tried it before?
--
Paul Tomblin <[EMAIL PROTECTED]> http://xcski.com/blogs/pt/
!!!SORRY - JUST POSTED THIS MESSAGE WITH WRONG SUBJECT!!!
HELP!!
I have a problem with a SqLite install. I've been charged with
installing PolicyPage, a web site compliance checking tool with uses
PHP4 and Sqlite. I've got the web/php content installed such that
Apache will serve it. I have v
HELP!!
I have a problem with a SqLite install. I've been charged with
installing PolicyPage, a web site compliance checking tool with uses
PHP4 and Sqlite. I've got the web/php content installed such that
Apache will serve it. I have verified that PHP is working on the
machine (FC4).
I used p
s can't run in a reasonable time because the batch applications
won't allow the updater to commit until the batch job is finished.
--
Paul Tomblin <[EMAIL PROTECTED]> http://xcski.com/blogs/pt/
OTOH, the general theme is that lusers should not be allowed to have
computers, cars, guns or genitalia.
-- Anthony DeBoer
Quoting Dennis Cote ([EMAIL PROTECTED]):
> Doesn't this mean that SQLite only supports 2^63 rows with autoincrement?
That means you can insert one row per millisecond for 29 million years.
--
Paul Tomblin <[EMAIL PROTECTED]> http://xcski.com/blogs/pt/
In any business, the cust
ou insert 12,0 in the column "price", and you're complaining
that the value in a different column, "amount", is the default? WTF?
> Of course it's not critical but maybe new pragma would be useful.
#pragma READ_MY_MIND
--
Paul Tomblin <[EMAIL PROTECTED]> http:/
d to mean anyway?
I think it's a MySQL-ism.
--
Paul Tomblin <[EMAIL PROTECTED]> http://xcski.com/blogs/pt/
"An NT server can be run by an idiot, and usually is." -- Tom Holub, a.h.b-o-i
he first one
is running:
- Can the second one query while the first one is querying?
- Can the second one query while the first one is updating?
- Can the second one update while the first one is updating?
- does committing in the first one release the lock and allow the seocnd
one to continue?
-
hose query is still open.
I suppose the only way I'm going to know for sure is to try writing the
same sequence of events in C, and it's been so long I'm not sure my C
skills are up to it.
--
Paul Tomblin <[EMAIL PROTECTED]> http://xcski.com/blogs/pt/
If you're not part of the solution, you're part of the precipitate.
line 547
}
nextID does the following:
while (1)
{
$isTaken->execute($maxNumber);
if (@row = $isTaken->fetchrow_array)
{
print "$maxNumber is already taken\n";
$maxNumber++;
}
else
{
las
[EMAIL PROTECTED] wrote:
Has anyone experimented with putting SQLite directly on the
Linux MTD flash interface? I.e. by-passing JFSS2. Would this
offer any kind of significant efficiency benefit?
JFFS2 is designed to wear the flash evenly, preventing you from
'drilling holes' by writin
Julien LEFORT wrote:
Hi,
I would like to implement a log table with a finite dimension, for exemple a
table with 500 records, and when the last record is set in the table I would
like to come back at the first tuplet and write over the previous value
recorded. I think it's the way SQLite jour
r other entities, thus I didn't really expect SQLite to
have it.
-Original Message-
From: Paul Bohme [mailto:[EMAIL PROTECTED]
Sent: Viernes, 23 de Diciembre de 2005 02:52 p.m.
To: sqlite-users@sqlite.org
Subject: Re: [sqlite] ring buffer table
Julien LEFORT wrote:
Hi,
I woul
Julien LEFORT wrote:
Hi,
I would like to implement a log table with a finite dimension, for exemple a
table with 500 records, and when the last record is set in the table I would
like to come back at the first tuplet and write over the previous value
recorded. I think it's the way SQLite jour
Ben Clewett wrote:
Dear SQLite
I wish to compile SQLite for the ARM processor running Linux (ARM720T).
The compilation will have to use the cross-compiler arm-linux-gcc
version 2.95.2 running on Intel Linux, since the devise it's self has
no compiler.
Does any person have an image for ARM?
f using a lock to synchronise access to the
> databaseso that only one thread at a time could change the
> database although both could read simultaneously?
> JS
>
> Barry Paul wrote:
> >
> > Hi, I am having some unexpected locking issues with SQLite.
> >
>
Hi, I am having some unexpected locking issues with SQLite.
I have a desktop application that uses SQLite. The application has a low
priority worker thread that is constantly analyzing/adding/updating/deleting
records in the database. The main application thread mainly reads from the
database bu
Brad wrote:
I am looking for a simple way of using date and time values with
sqlite3. I have some Ctime classes (VC++.net) which have to be stored in
the database and they should be compared.
If the class you're using has .Value property, or a way to easily
transform the date from one format
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