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I have this weird thing when i get the date time: $date = date("Y-m-d H:i:s");
and try to insert it to a database, it will insert null. The column i insert it in is a datetime. It does not matter to what datatype i change the column it will still insert null.
I hope someone can help me!
Because the column is a datetime, in your query instead of
$sql = ".... datefield = '$date' ....";
do
$sql = ".... datefield = TIMESTAMP('$date') ....";
Obviously the .... represents whatever your sql is at that point.
Related
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I have a mysql record with the columns start_date and end_date. Now I have a date (as example 2017-08-03) and i want to ask if this date is between the start_date and end_date in my mysql table.
Is this possible?
Use between:
SELECT * FROM events
WHERE '2012-01-18' between start_date AND end_date
BTW: Take care of time part if start and end are datetime types
You can use this:
SELECT * FROM events
WHERE start_date<='2012-01-18'
AND end_date>='2012-01-18'
SELECT *
FROM `yourtable`
WHERE (your_found_date BETWEEN 'start_date' AND 'end_date')
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I want to get a warning when a date is different like:
I have a while and wanted to when it reaches to a different date, it warns me
$hist=mysqli_query($db, "SELECT * from history");
while($his=mysqli_fetch_assoc($hist)){
If(certain_date != last_date){
echo certain_date;
}
}
Certain date and last date is the ones I wanna get
This is simply done like this
$hist=mysqli_query($db, "SELECT * from history");
$last_date = '';
while($his=mysqli_fetch_assoc($hist)){
If($his['ano'] != $last_date){
echo $his['ano'];
$last_date = $his['ano'];
}
}
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I have a MySql database with three columns: skp, date and usr. For each skp and date pair there are several usr(s). Is there a query that will pull the data out with the following array structure:
array[i]['skp']
array[i]['date']
array[i]['usr'][j]
I'm wondering if somehow using a group by would work?
Use GROUP_CONCAT.
SELECT skp, date, GROUP_CONCAT('usr') AS usr
FROM yourTable
GROUP BY skp, date
Then when retrieving, you can split the usr column into an array.
$array = ();
while ($row = mysqli_fetch_assoc($result)) {
$row['usr'] = explode(',', $row['usr']);
$array[] = $row;
}
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I want to search number in my MySQL data. String is +310623212542 but the mysql row data is only 0623212542. How can i compare ? Please help i am new to the mysql
Use
In php
<?php
$search_text = substr('+310623212542',3);
mysqli_query("SELECT * FROM tbl WHERE search LIKE '%$search_text%'");
?>
or
in mysql
use SUBSTRING
SELECT * FROM tbl WHERE search = SUBSTRING('+310623212542' FROM 4)
Note: using substring in mysql impact performance issue, when large data present
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I am currently trying to create a script/function that should set a value to all items (eshop goods) old 15 days or older.
This script will be used as cron.
Date is stored in database as integer, but I don't exactly know how to approach the 15 days gap.
Could somebody help me out please?
Thank you.
You can try something like this
$integer_format = strtotime("-15 days");
$dateTime_format = date("Y-m-d h:i:s A T",$integer_format);
echo 'In integer format: '.$integer_format.'</br>'; //1403953190
echo 'In date time format: '.$dateTime_format.'</br>'; //2014-06-28 12:59:50 PM CEST