On 2015/08/12 10:49, Bob Eby wrote:
converting from MyISAM to innodb would certainly pose problems, I
guess the main question would be is MyISAM functionality a strict
sub-set of innodb?
I'm not sure, but maybe someone else here knows better.
No, as already said: for one thing, MyISAM allows
On 2015/08/12 09:42, Johan De Meersman wrote:
- Original Message -
From: Richard Reinagatorre...@gmail.com
Subject: table desin question
Would this be the best way to design the schema and would it be best to
make the client ID and technician ID the same as the user ID as they relate
On 2015/05/17 14:10, Jigal van Hemert wrote:
I've set filters on To: or Cc: contains to catch all the mails. The
others in this thread use Gmail which obviously lacks a button Reply to
list.
One does not need such a button, only attention to the addressee list
that one s e-mail client produces.
On 2015/05/07 19:42, Paul Halliday wrote:
Should have showed the whole thing. Take a look here (click image to see
full output):
http://www.pintumbler.org/tmp
I don't see why this worries you. Joining often increases variation.
Indeed, if in some case an inner join never did, maybe the
On 2015/04/09 13:42, Michael Dykman wrote:
A trigger is far simpler than remodelling your data and adding extra
queries. They are nothing to be afraid of.
Not afraid of, but to be careful when writing. I have had trouble with
my triggers, because I left thisthat out. As for timestamping,
On 2015/04/12 08:52, Pothanaboyina Trimurthy wrote:
The problem is , as mentioned the load data is taking around 2 hours, I
have 2 timestamp columns for one column I am passing the input through load
data, and for the column DB_MODIFIED_DATETIME no input is provided, At
the end of the load data
On 2015/04/08 11:42, Andrew Wallace wrote:
I think you'd have to do that with a trigger.
Yes, one can do that with a trigger, but it is a real pain. MySQL now allows
(new.a,new.b,new.c,new.d) (old.a,old.b,old.c,old.d)
but one needs to beware of NULL. Maybe it is better to split off
On 2015/04/01 16:09, Tim Johnson wrote:
Using Mysql 5 on darwin (OS x).
This command
SELECT schema_name FROM information_schema.schemata WHERE
schema_name NOT IN
('mysql','information_schema','performance_schema');
as executed from the mysql prompt gives me a dump of all databases
except those
Ignore my earlier question: my problem arose from not feeding Eclipse the right
CLASSPATH when my new program was main.
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I wrote a Java program to send a query s output to standard output. I later
wrote another to call the former whithersoever I wish to send its output. The
query program just as I would like works--but when subordinated to the newer
program the connector class (com.mysql.jdbc.Driver) referred to
2014/12/12 02:10 +0100, Christophe
When the app tries to do this, it raises an error :
'The used command is not allowed with this MySQL version'
The used MySQL version is 5.5.40 from Debian Wheezy package.
I found that some parameters or variables (local_infile for instance) can be
used to
2014/12/10 09:00 +0100, Johan De Meersman
One of the (for me, at least) defining features of a forum, is that the
subjects tend to be divided up into a tree structure, which has it's own
benefits
Something more sophisticated than grouping messages by trimmed subject-lines?
maybe
2014/12/09 15:20 -0600, Peter Brawley
Nope.
And why not? Because no one bothered to implement it? Now I (for the first
time?) looked at forums.mysql.com and see more topics than on
lists.mysql.com. The former is just more with-it, I guess.
I believ that one could both by e-mail and through a
2014/12/09 14:25 +, Martin Mueller
I'm trying to get my feet wet with 'if' and 'when' uses in mysql. it would be
very useful for update operations, but I can't get it right.
If I read the documentation correctly, it should be possible to say
something like
UPDATE X
if WORD like 'a%' SET
2014/12/06 12:51 +0100, Johan De Meersman
I want:
* The entire post, and as little notification-type content as possible,
* headers and subjects so that mail clients that support threading will thread
everything from a single forum topic in a mail thread and vice versa,
* and, most
2014/12/04 22:56 -0500, shawn l.green
I guess this email-based peer-to-peer exchange is slowly disappearing into the
background like the old usenet newsgroups, eh?
And _I_ like using an off-line e-mail client, and not being bothered by going
through a webbrowser--but I suspect that others
2014/11/26 14:25 -0600, Peter Brawley
www.artfulsoftware.com/infotree/mysqltips.php,
And this page is an HTML hack, table for column ... generated by a (PHP?)
program?
*sigh*
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2014/10/29 20:56 +0100, Zbigniew
Now to the point: considering, that the second column shall contain
about 100-200 different labels - so in average many of such labels
can be repeated one million times (or even more) - will it speed-up
the selection done with something like ...WHERE label='xyz'
2014/10/08 11:38 -0700, Jan Steinman
However, this pattern will often result in numerous empty columns -- empties
that would not be there had the table not been pivoted.
2014/10/08 16:42 -0500, Peter Brawley
MySQL stored procedures are less incomplete, and can do it, but they're
awkward.
2014/09/04 08:40 -0700, Jan Steinman
From: Ed Mierzwa (emierzwa) emier...@micron.com
FROM_UNIXTIME(1409304102.153) /*your epoch column here*/
I don't think the OP has a Unix timestamp.
The number looks suspeciously like concatenation of date digits, 140930 at
the beginning looks like
2014/09/06 09:06 -0700, Don Wieland
Can anyone tell me why this query is generating an ERROR:
Which error? The first IF statement is not properly ended? it isn't.
(A series of equality tests against the same variable is done more conveniently
with CASE ... END CASE.)
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2014/04/07 08:02 -0800, Tim Johnson
2)mysqldump forces all database names to lower case in the CREATE
DATABASE statement. I know, one shouldn't use upper case in
database names, but :) tell that to my clients.
Why not? That is not mentioned in the section devoted to mapping such names to
2014/02/11 18:14 -0500, Larry Martell
set LIMIT = sign(LIMIT) * 100 * floor(0.01 + (sign(LIMIT) * LIMIT
* ratio/100)
The function TRUNCATE can be useful here:
set LIMIT = TRUNCATE(LIMIT * ratio + 0.01 * sign(LIMIT), -2)
, if it works as advertized. In any case,
ABS(LIMIT) = sign(LIMIT)
2014/01/29 16:16 -0800, neubyr
https://dev.mysql.com/doc/refman/5.0/en/replication-features-load.html -
Someone was not all awake when making this webpage up: four of the links under
Table of Contents point to this same page.
(I was looking because I was thinking about Neubyr s problem, but I
2014/01/12 14:17 -0500, Larry Martell
I've been asked to do something that I do not think is possible in SQL.
I have a query that has this basic form:
SELECT a, b, c, d, AVG(e), STD(e), CONCAT(x, ',', y) as f
FROM t
GROUP BY a, b, c, d, f
x and y are numbers (378.18, 2213.797 or 378.218,
I like Latin1. I set up my version 5.5 to use it by default, but sometimes it
changed Client Connection characterset to UTF8.
Now I have 5.6, and the client comes up with Client Connection characterset
CP850 (CP850 is the Swedish variant of CP437, the IBM PC s original character
set). Why???
2014/01/06 14:24 -0500, Morgan Tocker
You might be hitting:
Important
The inline REFERENCES specifications where the references are defined as part
of the column specification are silently ignored. MySQL only accepts REFERENCES
clauses defined as part of a separate FOREIGN KEY specification.
2014/01/06 17:07 +0100, Reindl Harald
what about look in the servers logfiles
most likely max_allowed_packet laughable low
Is this then, too, likly when the server and the client are the same machine?
I left this out, that it only then happens when the client has been idle, and
right
2014/01/06 12:18 +, Dave Howorth
Everything appears to work except that text fields containing a Unicode
non-breaking space (0x00A0) are truncated just before that character. I
can see the field in the dump file and it looks OK, but it doesn't all
make it into the new database.
Well, there
Now that I installed 5.6.14 on our Vista machine, when using mysql I often
see that error-message, which under 5.5.8 I never saw. What is going on?
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Are INNODB foreign-key references ignored in 5.6?
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2013/12/30 13:59 +0200, Cabbar Duzayak
We have a basic table, which is something like :
(id varchar50, productId varchar50, category varchar50)
In this table, ID is the primary key and we have a unique index on
(category, productId). And, there is a case where we want to do bulk
inserts
2013/12/18 11:07 -0500, Anthony Ball
I ran across a curious issue, I'd call it a bug but I'm sure others would
call it a feature.
I have a csv file with space between the and , and it causes MySQL to eat
that field and the field after it as a single field. Is there a setting I
can use to
I have MySQL 5.5.8 under Windows Vista, and I am minded to write Java programs
to talk to the server. I believe that a connecter is needed for that, something
with ODBC in the name--which version is best for my use?
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2013/11/08 17:35 -0800, Jan Steinman
Okay, I think I found it:
http://bugs.mysql.com/bug.php?id=47713
I added a comment with a link to a page I set up to show the behaviour on my
system.
http://www.ecoreality.org/wiki/WITH_ROLLUP_problem
It was submitted in 2009, severity
2013/11/04 09:32 -0800, Jan Steinman
I noticed that I have similar queries that work as expected. The difference
appears to be that every query that is broken uses WITH ROLLUP, and removing
this makes them behave as expected.
Is this a known bug? Should I submit it as such?
If someone would
2013/10/28 21:23 +, Neil Tompkins
Basically the snippet of the UPDATE statement I provided shows updating only 1
field.
However in my live working example, I have about 20 possible fields that
might need to be updated if the variable passed for each field is NOT NULL.
Well, maybe
2013/10/29 11:35 -0400, Shawn Green
My favorite technique is the COALESCE function for this on a column-by-column
basis
SET FieldName1 = Now(), FieldName2 = COALESCE(:MyVariable, FieldName2)
but if MyVariable is NULL, FieldName1 reflects the attempt to change, not
change.
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2013/10/25 00:08 +, Rick James
There's an old saying, If it ain't broke, don't fix it.
Why _might_ 5.6.x or 5.7.x be better for you? Sure there might be some
features you might want, might be some performance improvements that you might
notice, etc. And there might be some regressions
MySQL fans,
2013/09/21 18:04 +0200, Bjorn Munch
MySQL Server 5.7.2 (Milestone Release) is a new version of the world's
most popular open source database. This is the second public milestone
release of MySQL 5.7.
Is this a good replacement for that 5.5.8 that I long ago downloaded and
2013/10/22 12:20 -0400,
I recently upgraded a local MySQL installation to 5.5.32 and am trying to
figure out why the following query won't work as expected anymore. I'm just
trying to compare a set of dates to NOW() but since the upgrade, these don't
seem to work as expected.
SELECT
2013/09/02 12:49 +0800, John Smith
I looked in mysql.config.pl and no localhost :(
mysql.config.pl from what software damned?
mysql.config.pl does not exist in context of mysql
It exists in the following folder on my Win8 box:
/Program Files (x86)/MySQL/MySQL Server 5.5/bin
Yes,
2013/08/22 14:22 -0400, Nick Cameo
SimpleDateFormat sdf = new SimpleDateFormat(-MM-dd'T'HH:mm:ss, new
Locale(en, US));
Well, you have your answer (FROM_UNIXTIME( /1000)), but that stupid ISO
format with 'T' in the middle does not work, because to MySQL letters are not
2013/08/21 18:03 -0400, Nick Khamis
We have the following mysql timetampe field
startdate | timestamp | NO | | -00-00 00:00:00
When trying to insert a long value in there:
Calendar c = Calendar.getInstance(TimeZone.getTimeZone(UTC));
c.getTimeInMillis();
We are presented with the
2013/07/30 14:12 -0400, Sukhjinder K. Narula
I have several databases (all with same structure), which I to query. For
instansce:
db1, db2, db3 - all have table tb1 with field a, b and table tb2 with
fields flag1, flag2
So I want to query and get field a from tb for all db's. One way to do is
2013/07/27 00:58 +0200, Chris Knipe
I would definately consider the md5 checksum as a
PK (char(32) due to the hex nature),
Well, not that it greatly matters, but you could convert it to BINARY(16).
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2013/07/02 12:29 +0100, Neil Tompkins
I have a number of INSERT and UPDATE statements in a MySQL Stored
Procedure, that works in the form of START TRANSACTION followed by COMMIT.
Also I am handling any EXCEPTION.
However, after calling COMMIT, how can I get the number of Rows that were
2013/06/26 17:31 +0100, nixofortune
ALTER TABLE `new_innodb`
ADD KEY `idx1` (`col1`,`col2`),
ADD KEY `idx2` (`col1`,`col2`,`col3`);
Is it really seemly for one index to be a leading part of another?
(or maybe I am really thinking of something else)
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2013/06/13 23:08 +, Rick James
FIND_IN_SET might work the cleanest...
WHERE FIND_IN_SET('action', genres) OR/AND [NOT] ...
And have genres look like 'action,drama,foobar', that is comma-separators, and
no need for leading/trailing comma.
That would also work for genres = '1,3,10,19,38' and
2013/06/17 11:38 +0430, Sayyed Mohammad Emami Razavi
update test set desc='test10' where id=1;
_That_ is UPDATE! It is the only means of changing, but neither inserting nor
deleting, a record.
The other fields are left the same.
MySQL also tracks whether it is an actual change; this is
2013/06/11 12:59 -0700, Daevid Vincent
Also, just for SG this is how we are currently implementing it, but we feel
the REGEXP is killing our queries and while clever is a bit hacky and
nullifies any indexes we have on the genres column as it requires a
file_sort table scan to compare substrings
2013/06/11 12:59 -0700, Daevid Vincent
Also, just for SG this is how we are currently implementing it, but we feel
the REGEXP is killing our queries and while clever is a bit hacky and
nullifies any indexes we have on the genres column as it requires a
file_sort table scan to compare substrings
2013/06/03 21:43 +, Rick James
Soundex is the 'right' approach, but it needs improvement. So, find an
improvement, then do something like this...
Hashing involves somekind normalizing, and in my case I see no means to it;
otherwise I would not have considered something so costly. On the
2013/06/06 09:28 -0400, Mike Franon
Long story short, 50% of the time the command /etc/init.d/mysqld stop will
fail
Don't see why it anywhen succeeds. My version of mysqld doesn't know stop.
As for mysqladmin, it knows stop, but, since that means stop-slave, I
doubt you want that. Maybe you
2013/06/03 18:38 +0200, Hartmut Holzgraefe
equality checks have a linear cost of O(min(len1,len2)) and can make
use of indexes, too, while Levenshtein cost is is almost quadratic
O(len1*len2) and can't make any good use of indexes ... even using
a C UDF would help only so far with this kind of
I wish to join two tables on likeness, not equality, of character strings.
Soundex does not work. I am using the Levenstein edit distance, written in SQL,
a very costly test, and I am in no position to write it in C and link it to
MySQL--and joining on equality takes a fraction of a second, and
2013/05/29 10:39 +0100, Neil Tompkins
Using Workbench with MySQL 5.6 how do I edit a existing Trigger. Do I need
to DROP the Trigger and create a new one ? If that is the case how can you
run start command in a live environment ?
Whatever appearance Workbench adds (I do not know it),
2013/05/29 14:51 +0100, Neil Tompkins
This is my Trigger which doesn't seem to work; but doesn't cause a error
DROP TEMPORARY TABLE IF EXISTS tempHotelRateAvailability;
CREATE TEMPORARY TABLE tempHotelRateAvailability(AuditTrailId
varchar(36),UserId bigint(20),ActionType
2013/05/24 09:49 -0400, shawn green
Or we could coerce datetime values back to their date values when both are
being used. The trick now becomes choosing between rounding the datetime value
(times past noon round to the next date) or do we use the floor() function all
the time.
This is
2013/05/22 21:17 +, Rick James
In query syntax, TRUE is the same as 1; FALSE is the same as 0.
and UNKNOWN is NULL. (I actually have used a three-state comparison.)
It has been suggested that one who wants a real two-state field use the type
CHAR(0) NULL.
If you have more 'flags',
2013/05/11 20:50 +0600, SIVASUTHAN NADARAJAH
I want to start the mysql from command prompt using NET START MYSQLBUT
the server not started. It display an error message.
C:\Users\PC NET START MySQLSystem error 5 has occurred.
Access is denied.
could you please help me, how to start the
2013/05/11 22:58 +0200, Reindl Harald
why not answer the question another user made hours ago?
under which account do you try to start mysqld?
Well, I learnt something here.
When I had the problem of (under Vista) starting mysqld, from command prompt
I always did this, start mysqld -b...
2013/04/30 17:17 +0200, Martin Koch
CREATE OR REPLACE VIEW foo AS
SELECT *
FROM mytable
WHERE id = X'36a461c81cab40169791f49ad65a3728';
Try this: _binary X'36a461c81cab40169791f49ad65a3728'
SHOW CREATE VIEW is the command for the client.
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2013/04/24 09:06 -0700, Rajeev Prasad
this table has many columns and only 1 record. select * from table; generates
an unreadable list. how can i list the record as in two columns? (column name
and its value)? i looked at UNPIVOT, but could not get it to work.
SQL select * from table UNPIVOTE
2013/04/17 14:16 +0200, Antonio Fernández Pérez
I have a doubt with stored procedures functionality. Is possible that a
stored procedure works with all databases form the server? I have created a
stored procedure on dataBaseA and also works with dataBaseB. Is that
correct? Independently of the
2013/04/05 11:16 +0200, Johan De Meersman
Half and half - rename the file, then issue flush logs in mysql to close and
reopen the logs, which will cause a new log with the configured name to be
created.
That being said, I'm not much aware of Windows' idiosyncracies - I hope the
damn thing
2013/04/06 13:56 -0700, Rajeev Prasad
I have a table with around 2,000,000 records (15 columns). I have to sync this
from an outside source once every day. not all records are changed/removed
/new-added everyday. so what is the best way to update only those which have
changed/added/or
Is there somewhere within MySQL means of aging the error log, that it not
indefinitly grow big, or is that done through the OS and filesystem on which
mysqld runs?
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2013/04/04 22:40 +0200, Manuel Arostegui
You can start with show innodb status;
It is now
show engine innodb status
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2013/04/04 23:18 +0200, Reindl Harald
Is there somewhere within MySQL means of aging the error log, that it not
indefinitly grow big, or is that done through the OS and filesystem on which
mysqld runs?
man logrotate
Not Unix!
In any case, I take this to mean that this is not done within
2013/03/27 08:01 +0200, Dotan Cohen
Actually, it is the user that I am logged in as that created the
function. That is why I find it hard to believe that one needs root /
admin access to see its definition.
And that user set DEFINER other than itself, and that worked???
That takes SUPER.
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2013/03/25 11:28 +0200, Dotan Cohen
Thanks. I don't have the admin or root privileges on this database. Is
that the only way to see the code behind the function?
Well, you showed us DEFINER: admin@localhost for the function; here is a
snippet from MySQL help about
SHOW CREATE FUNCTION
2013/03/16 03:44 +0100, Reindl Harald
what are you speaking about?
you can define it in my.cnf and YOU are responsible for
the configuration as you are also responsible the
develop php code with error_reporting = E_ALL
These SQL-modes that pertain to type-safety are really part of the _type_:
2013/03/15 12:43 -0300, Marcus Vinicius
Does anyone knows the author of this:
http://grimoire.ca/mysql/choose-something-else
Title: Do Not Pass This Way Again
Not I
--but, as to automatic type-conversion, I find me in agreement with the author.
When I first began to use MySQL I was dismayed
2013/03/13 13:18 +, Norah Jones
I have a table which looks like this:
answer_id q_id answer qscore_id answer_timestamp
1 10Male3 1363091016
2 10Male3 1363091017
3 11Male3 1363091018
4
It is my impression that when their functions are equivalent, IF takes more
time than CASE. Comment?
Do they always evaluate all their arguments?
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2013/02/05 17:06 +, Rick James
As a Rule of Thumb, function evaluation time is not significant to the overall
time for running a query. (I see IF and CASE as 'functions' for this
discussion.)
Do you have evidence that says that IF is slower? Perhaps using BENCHMARK()?
Not BENCHMARK: I
2013/02/02 12:58 -0600, Peter Brawley
On 2013-02-01 10:18 PM, h...@tbbs.net wrote:
2013/01/31 22:24 -0600, Peter Brawley
Is this what you mean?
Select,
pricelist
If( !IsNull(specialprice) And specialprice unitprice And CurDate() Between
startingDate And endingDate,
specialprice,
unitprice
)
2013/01/31 22:24 -0600, Peter Brawley
Is this what you mean?
Select,
pricelist
If( !IsNull(specialprice) And specialprice unitprice And CurDate() Between
startingDate And endingDate,
specialprice,
unitprice
) as used_price
From catalog
Where itemid='WB314';
PB
Maybe this is gilding the
When I wrote my comment after Larry Martell s problem, I already suspected it
was somewhat out of place because to his problem it did not apply.
2012/12/12 08:25 -0500, Shawn Green
This is a perfectly acceptable naming convention to use. For example if you
have a field on the `art` table that
2012/12/11 16:19 -0500, Larry Martell
I have this query:
SELECT data_target.name, ep, wafer_id, lot_id,
date_time, data_file_id, data_cstimage.name,
bottom, wf_file_path_id, data_measparams.name,
vacc, data_category.name
FROM data_cst, data_target, data_cstimage,
This is, maybe, a question of taste. I find it useful in the aggregate
functions that they ignore all NULLs that come under their purview, but yield
NULL if nothing else comes. Now, CONCAT_WS is no aggregate function, but is
like them in that it ignores all NULLs that come its way, aside from
2012/12/03 19:10 +0530, amit
Problem
mysql call mobile_series1('(99889988),(12334565)');
You are expecting MySQL to turn one string operand into twain number operands.
That does not happen, unless you use PREPARE, which, I suspect, is not part of
your homework.
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2012/12/04 15:18 -0800, Karen Abgarian
MySQL, like all other products, can be peachy or bitchy. Good ones, they also
die.Wish I was kidding :-)
Mind VHS BetaMax? BetaMax had much better color--but VHS long outlasted it.
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2012/11/29 11:46 +0530, Trimurthy
i have a table which contains the columns
date,sname,age,item,quantity,units.my question is i want to retrieve all
the values from the table where date=maxdate group by sname how can i get
those values.
A question, I suspect, found in all SQL courses
2012/11/23 10:49 +0530, Girish Talluru
I have a scenario where I have to screen a huge bunch of records for in db
using certain rules. I have done in traditional php style record by record
and it took 90 mins for 4000 records. I have 800k - 900k records in
production which might possibly lead to
2012/11/22 14:30 +, Neil Tompkins
I'm struggling with what I think is a basic select but can't think how to
do it : My data is
id,type
1000,5
1001,5
1002,2
1001,2
1003,2
1005,2
1006,1
From this I what to get a distinct list of id where the type equals 2 and 5
Any ideas ?
This ugly one,
2012/11/22 14:30 +, Neil Tompkins
I'm struggling with what I think is a basic select but can't think how to
do it : My data is
id,type
1000,5
1001,5
1002,2
1001,2
1003,2
1005,2
1006,1
From this I what to get a distinct list of id where the type equals 2 and 5
Any ideas ?
This ugly one,
2012/11/19 05:05 +0100, Mogens Melander
I found an article on:
http://stackoverflow.com/questions/3122424/dynamic-mysql-query-view-for-crosstab
Describing how to do the dynamic generation of SQL statements.
And I was inspired to do some such thing to one of my views.
This view has three
2012/11/19 04:49 -0800, Jan Steinman
SELECT main.code
, IF(iconstandardrel.icon = 4,1,0) AS 'internationalt_produkt.eps'
, IF(iconstandardrel.icon = 3,1,0) AS 'god_vaerdi.eps'
, IF(iconstandardrel.icon = 2,1,0) AS 'for_miljoeets_skyld.eps'
, IF(iconstandardrel.icon = 1,1,0) AS
2012/11/15 00:30 +0100, Mogens Melander
I guess I'm sill learning.
Does that mean that, if the last column in a load blabla. is a -00-00
terminated by ^n it might error ? Or are we talking ODBC ?
Find it under LOAD DATA
If an empty field is parsed for a NOT NULL DATE or DATETIME,
2012/11/14 10:26 +0530, sagar bs
As i have the data with some 25 variables in csv file and i need to import
to mysql.
The issue is that the date format in csv file is dd/mm/ and mysql takes
the date format like /mm/dd.
The number of variables in the csv file are same in the table in
2012/11/14 18:27 +0530, sagar bs
There are four columns in my table named like account_name, c1, c2 and c3.
Account name is the primary key and c1, c2 contain two different dates and in
the column c2 there are few fields showing /00/00, now i need to get the
date different(in days)
2012/11/04 22:23 +, Stefan Kuhn
select * from table order by udf(column, 'input_value') desc;
For my understanding, this should give the same result always.
But if for your data function udf returns the same for more arguments there
is not enough to fix the order. In that case I have
2012/10/16 12:57 -0400, Michael Dykman
your now() statement is getting executed for every row on the select. try
ptting the phrase up front
as in:
set @ut= unix_timestamp(now())
and then use that in your statement.
Quote:
Functions that return the current date or time each are evaluated only
2012/10/12 17:56 +0100, Neil Tompkins
Is there such a way in a MySQL query to extract the text this is a test
from the following strings as a example
stronga href=http://www.domain.com/; class=linkthis is a
test/a/strong
stronga href=http://www.domain.com/; title=this is a test
2012/10/11 13:46 -0400, Mark Haney
I know it's been a while since I wrote serious queries, but I'm sure I have
done something like this before:
SELECT SUBSTR(date,1,10) as vDate, event_id, events.mach_id, machine.factory_id
FROM events JOIN machine ON events.mach_id = machine.mach_id WHERE
2012/10/08 14:52 -0700, Rick James
Do not use + for DATE arithmetic!
Use, for example
+ INTERVAL 1 YEAR
No, those operations are well defined. Amongst the timestamp-functions there is
constant reference to numeric context, and character context--and well there
is, because there are no
Can anyone explain this to me?
The first one seems quite wrong; the rest make perfect sense.
mysql select ifnull(date('1900/5/3'), date('1900/01/01')) + 1;
+--+
| ifnull(date('1900/5/3'), date('1900/01/01')) + 1 |
For this,
2012/10/04 16:13 +0200, MAS!
IF(GROUP_CONCAT(DISTINCT secA.sec_code SEPARATOR '|') is null,
IF(GROUP_CONCAT(DISTINCT secB.sec_code SEPARATOR '|') is null,
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