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Execute Time Of A Query


I'm running a SELECT * query on a table with over 3,000 rows. I need to know the execute time on the query.

PHPMyAdmin shows it to me, but because they automatically add a LIMIT 0, 30 I suspect the time is only for those 30 records. It also has a feature to prevent web server timeouts that prevents me from setting the LIMIT to 0, 3100.

BTW, I'm programming in PHP. Does the time to run the query get automatically passed when PHP sends the query to MySQL?

<? PHP
$Query = "select * from my_table where 1";
$Result = MYSQL_QUERY($Query);
?>




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Average Query Execute Time???
I have a query taking about 4 sec that gets only 18 records.. That's not good. What can I do to speen up my Query?
<CFQUERY DATASOURCE="#datasource#" NAME="qry_job_search">
SELECT DISTINCT (t1.JobPostId), t1.Actionlkp, t1.Date,
tbl_job_posting.*,
tbl_job_post_requirements.*,
tbl_employer_info.*,
tbl_employer_url.*,
tblkp_employment_type.*,
tblkp_education_exp_lvl.*,
tblkp_salary_range.*,
tblkp_employment_exp_lvl.*,
tbl_job_post_location.*,
tbl_job_post_job_categories.JobCat,
tblkp_countries.*,
tblkp_prefectures.*
FROM tbl_job_post_history AS t1
JOIN tbl_job_post_location
ON tbl_job_post_location.JobPostID = t1.JobPostID
JOIN tblkp_countries
ON tbl_job_post_location.CC1 = tblkp_countries.CC1
JOIN tblkp_prefectures
ON tbl_job_post_location.CC1 = tblkp_prefectures.CC1
AND tbl_job_post_location.PrefectureID = tblkp_prefectures.ADM1
LEFT JOIN tbl_job_post_requirements
ON tbl_job_post_requirements.JobPostID = t1.JobPostID
LEFT OUTER JOIN tbl_job_post_job_categories
ON tbl_job_post_job_categories.JobPostID = t1.JobPostID
JOIN tbl_job_posting
ON tbl_job_posting.JobPostID = t1.JobPostID
JOIN tbl_employer_info
ON tbl_employer_info.UserID = tbl_job_posting.UserID
LEFT JOIN tbl_employer_url
ON tbl_employer_url.EmployerID = tbl_employer_info.EmployerID
JOIN tblkp_employment_type
ON tblkp_employment_type.ID = tbl_job_posting.EmploymentType
JOIN tblkp_education_exp_lvl
ON tblkp_education_exp_lvl.ID = tbl_job_posting.EducationExpType
JOIN tblkp_salary_range
ON tblkp_salary_range.ID = tbl_job_posting.Salarylkp
JOIN tblkp_employment_exp_lvl
ON tblkp_employment_exp_lvl.ID = tbl_job_posting.EmploymentExpType
WHERE t1.JobPostId NOT
IN (
SELECT DISTINCT (JobPostId)
FROM tbl_job_post_history
WHERE Actionlkp =4
AND date = (
SELECT MAX( date )
FROM tbl_job_post_history
WHERE JobPostId = t1.JobPostId )
AND JobPostID = t1.JobPostID
)
AND HistID = (
SELECT MAX( HistID )
FROM tbl_job_post_history
WHERE JobPostID = t1.JobPostId
AND Actionlkp =1
)
AND Date >= ( curdate( ) - INTERVAL 30 DAY )

<CFIF SESSION.COUNTRY_A NEQ "" AND SESSION.PREFECTURE_A EQ 0 AND SESSION.CITY_A EQ "">
AND tbl_job_post_location.CC1 = '#SESSION.COUNTRY_A#'
<CFELSEIF (SESSION.COUNTRY_A NEQ "" AND SESSION.PREFECTURE_A NEQ 0 AND SESSION.CITY_A EQ "") OR FORM.PREFECTURE NEQ 0>
AND tbl_job_post_location.CC1 = '#SESSION.COUNTRY_A#'
AND tbl_job_post_location.PrefectureID = '#SESSION.PREFECTURE_A#'
<CFELSEIF SESSION.COUNTRY_A NEQ "" AND SESSION.PREFECTURE_A NEQ 0 AND SESSION.CITY_A NEQ "">
AND tbl_job_post_location.CC1 = '#SESSION.COUNTRY_A#'
AND tbl_job_post_location.PrefectureID = '#SESSION.PREFECTURE_A#'
AND tbl_job_post_location.PostCity LIKE '%#SESSION.CITY_A#%'
</CFIF>
<CFIF (SESSION.CATEGORY_A NEQ 1) OR FORM.CATEGORY NEQ "">
AND tbl_job_post_job_categories.JobCat = '#SESSION.CATEGORY_A#'
</CFIF>
<CFIF (SESSION.KEYWORD NEQ "") OR FORM.KEYWORD NEQ "">
AND t1.Actionlkp = 1
AND (tbl_job_posting.JobTitle
LIKE '%#session.Keyword#%'
OR tbl_job_posting.JobDescription
LIKE '%#session.Keyword#%'
OR tbl_job_post_requirements.JobRequirements
LIKE '%#session.Keyword#%')
<CFIF SESSION.KEYWORD NEQ "" AND SESSION.PGV NEQ "brief">
<CFSET SESSION.PGV = "detailed">
</CFIF>
</CFIF>
<CFIF SESSION.EMP_TYPE_A NEQ 1>
AND tbl_job_posting.EmploymentType = '#SESSION.EMP_TYPE_A#'
</CFIF>
<CFIF SESSION.EXP_LVL_A NEQ 1>
AND tbl_job_posting.EmploymentExpType = '#SESSION.EXP_LVL_A#'
</CFIF>
<CFIF session.SRT EQ "D">
ORDER BY Date DESC
<CFELSEIF session.SRT EQ "C">
ORDER BY tbl_employer_info.CompanyName
<CFELSEIF session.SRT EQ "L">
<CFIF form.country NEQ 0>
<CFIF form.prefecture NEQ 0>
<CFIF form.city NEQ 0>
ORDER BY tbl_job_post_location.PostCity
</CFIF>
<CFELSE>
ORDER BY tblkp_prefectures.FullNameS, tbl_job_post_location.PostCity
</CFIF>
<CFELSE>
ORDER BY tblkp_countries.CC1, tblkp_prefectures.FullNameS, tbl_job_post_location.PostCity
</CFIF>
<CFELSEIF session.SRT EQ "T">
ORDER BY tbl_job_posting.JobTitle
</CFIF>
</CFQUERY>
Can anybody see a shortcut to get the same results??

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LIMIT :: Longer Time To Execute
When I execute the following query without the LIMIT clause, it executes under 1 second. When I add the LIMIT clause, it takes 10 seconds to complete. The client table contains 100,000 records. What is going on?

SELECT * FROM clients
WHERE rep_id = 1
AND last_name
LIKE '%au%'
ORDER BY first_name
DESC
LIMIT 0 , 10

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How To Execute A Query From A File In OS X Leopard
I want to execute a query from within a file in OS X Leopard. The syntax (according to what I could find on the web) should be:

mysql> . /Users/peterv/bin/test.sql;

but it gives me this error:
ERROR:
Failed to open file '/Users/peterv/bin/test.sql;', error: 2

The file has the correct permissions.

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Possible To Execute A Saved Query From Within Another Query?
Does MySQL provide a way to refer in a query to stored query instruction as if it were an existing table, in such a way that the stored query is exected when the query that refers to it is executed?

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'Copy To Tmp Table' Is Taking For Ever To Execute A Query
We have a query when run on large systems, it takes for ever to return the results. When we execute the query we notice that it takes a very long time in state - 'Copy to tmp table' but server doesn't get hung. Eventually it will return the data.

Following is the query:...

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Couldn't Execute '/*!40100 SET @@SQL_MODE='' */': Query Was Empty (1065)
I upgraded to MySQL 5.0, but the remote server still runs 3.23. Before I upgraded I was able to, in a local DOS-prompt, execute a mysqldump and get the database from the server to a file on my computer. Now, when I execute the same query, the remote server does not understand my command.

This is what I execute on my local computer (simplified):
C:foldermysqldump --add-locks --add-drop-table -h xx.xx.xxx.xx -u username -p database > "C:folderdb_downloaded.sql"

This used to work, but after I upgraded I get the error message:
Couldn't execute '/*!40100 SET @@SQL_MODE='' */': Query was empty (1065)

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DBD::mysql::st Execute Failed: Lost Connection To MySQL Server During Query
I am using perl to connect to a database and then pull the rows off of the table one by one to manipulate the data.

If I use a smaller table (~8 MB), I wait for around 20 seconds but then the table values are read just fine. However if I use a larger table (~30 MB), I wait for a while and then I get the message:

DBD::mysql::st execute failed: Lost connection to MySQL server during query

I have tried searching for the solution to this problem and haven't found anything that helps yet. I have changed the values of 'max_allowed_packet' and 'wait_timeout', with no effect.

Any ideas?

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Query Time
Is there a function out there to determine the length of time a particular query took

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Get Query Time Query Time Using PHP
I just want to ask, how to get query time like this one:

SELECT f_name, l_name from employee_data where f_name = 'John';

+--------+------------+
| f_name | l_name |
+--------+------------+
| John | Hagan |
| John | MacFarland |
+--------+------------+
2 rows in set (0.00 sec) <- This Time <--

Maybe some instruction using PHP?

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Time Query - Please Help?
I’m completely baffled by a query that I thought I had working yesterday, but I can’t get it working today.

Here’s the screnario:

I’m publishing a story to the web and I don’t won’t it to be published live until:

-The current date (type: date) is less or equal to now
-The current time (type: time) is less or equal to now

So here’s my query:

select * from cms_stories
WHERE section = 'news'
AND published_web_date <= NOW() OR published_web_date IS NULL
AND (published_web_time <= NOW() OR published_web_time IS NULL)
ORDER BY story_id
DESC LIMIT 1
Now the query works for the published_web_date, but not for the published_web_time. It seems to ignore that as you can see from the screenshot returned below from that query.


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Limiting Query Time
Is it possible to limit the query time in MySQL (3.x or 4.0)? For
example, I'd like to have any query that takes more than a specified
number of seconds just quit automatically. Seems dumb, but on a web
site, nobody is going to wait minutes for a query to return so they
refresh anyway. So on a busy server, MySQL ends up with several queries
running that all take a long time to finish which compound to make it
even slower. A simple time limit would solve the problem. Yes, I know
that the queries should take less time, but again, on a busy server,
sometimes the longer queries do take a long time (10 minutes or more)
to complete.

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Query Execution Time
I m using inner join where there is no keys (Primary and foreign). I want to know that Does key affects execution times?

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Add Time Using A Select Query
Hello, how can I add, say, 2 hrs from a time in a database using a select query. I have searched the forums but cannot find an answer. Is it possible PHP Code:

 select 
date,
`time`                         as timetime
     , time_format(`time','%l:%i %p') as Printtime,
client,
address
from.......... 

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Exceeded Run Time Query
I made a application in PHP, I have a table "control1" and this table have 85000 registries and Size is 200 MB, so when I try do a query in PHP, I have a error "exceeded run time", I changed the time but is the same, and after I connected by console, and I could see that the query take 14 minutes.

Here my sql:

$sql_filtro="SELECT COUNT(*) nFilas FROM control1 WHERE MATCH (contenido) AGAINST ('$q')";

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How To Get Time Execution Of A Query?
Do you know how to get the time that a query executes? Is there a formula on how to get it?

Example:

Note: I have 5000 data in the table cars

$result = mysql_query("Select * from cars");

Question: How to get time of executing the query above?

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How To Get Query Execution Time
How to get query execution time in "mysqlquery.log" files

I am using:

Linux 7.3
mysql 4.1

How to display the query execution time for each and every query in log files.
i have configured "slow-log-query" and "mysqlquery.log" in "my.cnf" is pasted below.

log = /var/lib/mysql/mysqlquery.log
log-slow-queries = /var/lib/mysql/slowquery.log
long-query-time = 0
slow-launch-time = 1

then i can get a output in "mysqlquery.log" like,

070830 9:24:29 2 Connect root@localhost on
2 Init DB jbdatabase
2 Query select count(*) from vacancy1_table
2 Query select category,listcategory from category_t
able order by category
2 Quit


but i need to display the "timetaken of each end every executed query" along with the query in the above logfile like,

E.g:select category,listcategory from category_table order by category(0.03 secs).

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How To Get A Query Execution Time?
How to get a query execution time?

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Last Query Execution Time
Is there a way to retreive the elapsed time for the prevously executed query?

Alternatively, Is there a way to query the current time in fractions of a second?

I am attempting to use a stored procedure to execute and track the time it takes to run some queries and other commands.

The logic of the stored proc would go something like this.....

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Using Time Functions Within A Query
I'm currently working on a script that searches through a database of restauarant information. One of the things it does is allow the user to search only for restaurants that are open at the time of the search, however i get errors when trying to implement this.

Here is the query im using:

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Take Long Time To Run A Query!
I have a webserver that I just use for a webapplication. PHP, Apache and MySQL is installed on the server.

The size of MySQL database is 10 GB. End inn it is millions of rows.

I wonder where I search what is the normail time the data to return? In my case it takes from 20 sec to 2 min to run a query!

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Time Query Question
I'm trying to pull dates from a db that are newer than 6 months old. I've been testing with 1 day, since there's nothing in the db that's older than 6 months.

query

PHP

$DATEsql = "SELECT DISTINCT DATE_FORMAT(time_in, '%m/%e/%Y') as time ";
$DATEsql .="FROM login ";
$DATEaql .="WHERE time_in > CURDATE() - INTERVAL 1 DAY ";
$DATEsql .="ORDER BY time DESC ";

that is giving me the same results as

PHP

$DATEsql = "SELECT DISTINCT DATE_FORMAT(time_in, '%m/%e/%Y') as time ";
$DATEsql .="FROM login ";
$DATEaql .="WHERE time_in < CURDATE() - INTERVAL 1 DAY ";
$DATEsql .="ORDER BY time DESC ";

This is what I'm interpreting as what I need to do according to the MySql manual.

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Query Log With Execution Time?
I have developed a big property portal web site and have probably written about 1000 different SQL queries in the process (OK, maybe only 500 or so) but a lot.

The site is now gaining popularity and although it is on a dedicated server I want to make sure that everything is running smoothly. I have optimised several tables with indexes etc. and have sped up certain tasks, but would like to know if there are any other queries that take too long and should be optimised.

Is there a way to log all queries together with the time it took to execute the query? Is this already logged and if so - where is it?

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Query Execution Time In PHP Script
I am interested in displaying the query execution time as mysql does from the console, but using php. I've looked everywhere for this and can't find anything. Does anyone know how to display this information to the browser via php? The information must be there since the console provides it.

I checked the php function mysql_info(), but that only shows records, duplicates, deleted, matches, changed, warnings, etc. Didnt see any specific php function for getting execution time.

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How To Query For Multiple Records At The Same Time
Basically let us assume i have a table (table1) with column (column1). I want to select only the records that have column1='x' or 'y' or 'z'. Is it possible to create a standard query that will do that for any number of records?

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Time Zone For Query Browser?
My server time is set to CST. phpMYSQLadmin shows CST.
The website that the information is stored on is CST.

When I do a query from MySQL Browser, it's providing information back in GMT.

Does the browser undo timezone? It makes since on a corporate level, so that the time is always being pulled up correctly.

So, my question is. If all my servers and sites are all set to CST, do I still need to do queries with a time zone change in it, CST?

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TIMESTAMP :: Query By Time And Date
I have a field in my table that holds a timestamp. Below is a pseudo-query to describe what I would like to do.

SELECT * FROM `mytable` WHERE `saved_date` <= `6/24/05 10:22:34 AM`

`saved_date` is the field holding a TIMESTAMP. If anyone could give me the query that would actually do what I am trying to do above,

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Query Execution Time & Mysql_stat
I am using mysql for my shopping site,Performance of site very slow then I used mysql_stat php function to find out how many slow queries,it shows 20.

Now my question is any function in mysql(or)PHP to show 20 slow queries.

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Query For A Specific Amount Of Time...
I was wondering if there was some possible way to display a mqsql query for an exact ammount of time?

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Query Total Execution Time
How to get total time taken by a query to execute....

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Comparing Dates Y, M, D , Time In Sql Query
ok.. ive finally got my nice little calender setup to output my dates

now

how do i query my database

for example ive got 2 variables
$startdate = 2006-1-1 00:00:01
$enddate = 2006-1-1 23:59:59

these represent the 1st and last second of the first of january 2006

i have a cell in my table (table called challenges) ( cell called time) that contains a date in the same format for each entry

how do i get all the entries between the start time and the end time..

can i use less than < and more than > as these are not really integar values

the column type is datetime but there is also another column of type datetime

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Query Takes A Long Time
On my site I have a query that searches through 1,7 million. The php-file with the query takes a bit of time to load. Is it possible to show some sort of progress-bar during this time?

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Any Tips For Improving This Query Time?
Is there anything I can do to improve execution time for this query?

mysql> SELECT webpageUrl, webpageName, COUNT(*) AS `count` FROM _1_log GROUP BY webpageUrl ORDER BY `count` DESC LIMIT 5;
+---------------------------------------------------------+---------------------------------------------------------------+-------+
| webpageUrl | webpageName | count |
+---------------------------------------------------------+---------------------------------------------------------------+-------+
| http://www.w3counter.com/ | W3Counter - Free Web Counter, Web Stats, Live Analytics | 2490 |
| http://www.w3counter.com/stats/visitors/4071/day/1000/0 | Visitors Overview - www.pitbullmortgageschool.com/ | 1496 |
| http://www.w3counter.com/stats/4071/v_daily | W3Counter - Visitors by Date - www.pitbullmortgageschool.com/ | 1130 |
| http://www.w3counter.com/stats/ | Your Websites | 1124 |
| http://www.w3counter.com/stats/websites | W3Counter - Websites | 800 |
+---------------------------------------------------------+---------------------------------------------------------------+-------+
5 rows in set (0.88 sec)

mysql> explain SELECT webpageUrl, webpageName, COUNT(*) AS `count` FROM _1_log GROUP BY webpageUrl ORDER BY `count` DESC LIMIT 5;
+----+-------------+--------+------+---------------+------+---------+------+-------+---------------------------------+
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+--------+------+---------------+------+---------+------+-------+---------------------------------+
| 1 | SIMPLE | _1_log | ALL | NULL | NULL | NULL | NULL | 29422 | Using temporary; Using filesort |
+----+-------------+--------+------+---------------+------+---------+------+-------+---------------------------------+
1 row in set (0.00 sec)
It averages 0.5-3 seconds throughout the day (it's run often enough that it shows up in my slow query log multiple times an hour for exceeding 1 second).

Adding a partial index on webpageUrl doesn't affect anything, and URLs can be quite long. Is there anything I can do to speed up that query? The table is updated too often to maintain separate url/count tables -- can't spare the resources.

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Looking For Query To Get Time Of Last Column Count Increase
Code:

id | time | units
------------------------------------
1 | 2009-01-06 06:52:32 | 50
1 | 2009-01-02 16:45:23 | 50
1 | 2009-01-02 09:12:16 | 40
1 | 2009-01-01 12:06:00 | 35
2 | 2009-01-04 14:52:30 | 259
2 | 2009-01-04 04:52:30 | 258
2 | 2009-01-03 18:00:01 | 258

I need to write a query that will, for each unique id, return the last time there was an increase in the "units" column. So for this data set, I want to see:

Code:

id | time
------------------------------------
1 | 2009-01-02 16:45:23
2 | 2009-01-04 14:52:30

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Time Out Message When Query Large Tables
I'm trying to get data from 6 large tables but the volume of data in each table is too large and even select * from one of them make the system stop. I have afew questions:

1-what can I do to avoid the system stop or time out message?

2- To use several tabels infomation should I use 'View' command or can I use other methods?

3-I need to create a new table and insert the result from query in it. If I use the "view" can I insert the result of the view in a table?

(I use postgresql).

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Query To Display A Record By Recent Time
Many users uploaded their files to my mysql table through php script,
my table having the details of uploading time, file name, & uploader name.

i need to find the recent uploaded file for all uploaders.

i tried with this query,

select file_name,uploded_by,MAX(date_time) from upload group by uploded_by;

it is giving the recent time, but it is not giving the latest file, it is showing first uploaded file.

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Effect Of Increased Users On Query Time - Rec Specs
I have just started my first big project and I am having trouble predicting
the system specs that will be required. At present during trials the site
has around 15 users, although this will go to 350 when it is launched.

Most of the pages execution time should not scale with the increase in users
but there are a few report pages which calculate and order the information
entered by the users.

Measuring the page on my development machine (Duron 1.2, 768MB PC133, WinXP,
running apache 1.3.22, mysql 4.0.15and php4.3.4)...

One page I am currently getting 0.2-0.3 seconds. It uses phplib templates
and it executes 9 queries at present, 1 of which I predict will scale. It
calculates the mean, standard deviation and total of around 90 measures
using results from 15 users.

I do have a few nightmare pages for the regular users which execute 150+
queries (mixture of selects and updates).

Can anyone predict what will happen with 300+ users?

I am thinking max load being 20 regular users logged in with 2 users viewing
reports.

The machine I am currently looking at is P4 2.4, 512DDR with Linux. Will
this be suitable?

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Truncated Time Values Using TIMEDIFF With ORDER BY Query
I'm using the following query:

SELECT glider, timestamp, TIMEDIFF(timestamp, UTC_TIMESTAMP()) AS last_contact
FROM surfacings
INNER JOIN
(SELECT MAX(timestamp) AS most_recent FROM surfacings GROUP BY glider)
AS tmp
WHERE surfacings.timestamp = tmp.most_recent;

to calculate the amount of time that has elapsed since the last inserted timestamp for each glider. Everything works fine: ....

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Time Based Reservation System - Only 1 Query Should Succeed
a user can select a time they want and submit the page

* The code selects all the bookings for a range of time.
* It then counts how many concurrent bookings there are for each hour.
* If there's less than the total (4) it inserts another row ( the user's requested booking ) into the booking table.

We also notify people if there has been a cancellation

This has led to a situation where a few different people are trying to book the same session at the same time, and succeeding!
We've ended up with 5 sessions booked

In the course of 2 page requests this seems to happen:
User1 - submits their booking
site selects to see if there's availability ( there is!)
User2 - submits their booking
site selects to see if there's availability ( there still is!)
site inserts User1's booking
site inserts User2's booking

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Query To Process Date/time Stamps To Delineate And Report On User Sessions
I should read up on that would be used to create a query which takes data formatted like the following: ....

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Execute An SQL Doc
on freehostia.com i have my sql document, is there a way i can execute it, from browser without adding php?

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EXECUTE Sp_rename
Hi,

im coverting a mssql 2000 databse to mysql and ive good to a road block, that i cant seem to figure out how to get round.

Part of the MSSQL 2000 code is

Code:

EXECUTE sp_rename



And i cant seem to find an equivelant for mysql, i wa wondering if anybody knows of a way to get around this?

All help is greatly appreciated

Thanks Again

Andy

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Execute Sql Script
I want to run a sql script (file) from the "mysql >" prompt and not from the command line. Is there any way to do this.

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How To Execute A SQL Script
I have successfully installed MySQL 5 and can also connect to the server. The issue is that my developer has sent me a copy of the database in .sql fromat (filename: abc.sql) and I do not know how to execute it so I can extract the tables. Can someone please show me the way?

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Execute More Then One Sql Statement
In MSDE I could do this "insert into tbl set fld = 1; insert into tbl set fld = 2". When I try that in MySQl, I get an error (below).

You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '; insert into tbl set fld = 2' at line 1

Does MySQl not support this?

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Execute A File
Is there a way to execute an SQL script from a file on disk from within MySQL? For example, I have a file containing a valid SQL script at C:david.sql. From within MySQL, I would like to dynamically execute the script contained within that file. Does there exist the syntax to do the equivalent of EXECUTE C:david.sql? I know I can make david.sql a stored procedure … and then CALL david(). I’ve done that. However, frank.sql happens to contain a CREATE FUNCTION statement, and MySQL won’t let you embed a CREATE FUNCTION statement within a stored procedure. If there’s another way to accomplish that end

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