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Best Method For Inserting Date & Time Into Mysql?


What is the best method for inserting a date and time into MySQL and what type do I make the database field? (eg, timestamp, date etc?)

Basically I want to insert the date & time into the db when I create a new task in my mini to do list app automatically, display it as readable format (17:44 - 17/01/08) on my page and after say an hour, I would like the task item to turn red (how would I approach calculating times).




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------------------------------------------------------------------------------
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I am using php to extract variables from a MYSQL database that get loaded into a calendar application. Most everything works great. The only problem occurs when more than one event occurs on the same day. The event date and time are stored as separate variables in the database, thereby making it difficult to ORDER BY date and time. The result is that all of my events appear on the proper day, but they do not appear in chronological order. Is there a way to order by date and time?

I currently have the following:

Code:

$SQL_Query = "SELECT eventID, eventDate, startTime, endTime, title,
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I have field date and time respectively. I want to select date between (date1 and time1 > 17) and (date2 < 17)

I tried two ways but doesn't work, please see code below.
SELECT * from purchases_suppliers WHERE (date_invoice >= '2009/02/25' and time_invoice > 17) AND (date_invoice <= '2009/02/27' AND time_invoice < 17)

SELECT * from purchases_suppliers WHERE date_invoice between ('2009/02/25' ANd time_invoice > 17) AND ('2009/02/27' AND time_invoice < 17 )

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I have mysql server running in one machine. I have a query in my program
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I installed my program in the client machine and it is connecting to the mysql server. If i execute the SELECT CURRENT_TIME, it is giving the client machine date and time.
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is there a way that I can subtract date/time in MySQL?

For example I have this dates and I want to know the number of hours between this dates:

I want to perform 2006-12-05 22:00 - 2006-12-07 08:00. Can this be possible in a mysql query?

$date1= '2006-12-05 22:00';
$date2= '2006-12-07 08:00';

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I have a simple question about sorting records based on seperate date and time fields.

Take the following example query:

SELECT some_id FROM datatable WHERE date >= '2007-01-01' and time >= '05:00:00'

This returns all of the records with a date greater than 2007-01-01 and then reduces the records to only those with a time greater than 5:00. I want all records after 2007-01-01 5:00.

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DATE Format :: How To Put Time?
I am using PHP myadmin to setup my mySQL database. The format I choose to store my date text field was DATETIME. How can I choose a different format for the DATE?

All I want is a: 12-7-2007 format and don't want to put in a time but it's expecting the time as well.

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Need To Include Time With The Date
I have a table called 'date_accessed' ...

When I query that table for the date, how do I include the time along with it?

Here is my query:

SELECT user_agent, ipaddress, date_accessed FROM access_tracker;

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Date/Time Format From CSV
I have a rather large csv file that includes many dates that I would like to import into MySQL. The problem that I am having is that the dates are DD/MM/YYYY HH:MM:SS, and MySQL does not accept them in its YYYY-MM-DD HH:MM:SS format. Any ideas how to convert this properly?

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Date/Time To The 6th Microsecond
I am trying to import a field in a table on a server to which I am connected via ODBC. The field is in the following format

2008-08-11-00.00.00.000000

I would like for the format of the field locally to be the same but when I import it only goes to the seconds part of the format. Even when I try to import it as a text with 50 characters it doesn't help.

Is there a way for the imported file to be in the exact same date/time format?

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Date/time Function
I need to write a query which looks for certain criteria, then returns all rows which occur 0-30 seconds after. Can you please help with a generic query to accomplish this?

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Date/Time Issue
I am very new to MySQL. I have used other databases before so I am trying to figure out how to do things I have done before.

I want to create a table with a column of type DATE. When a row is inserted in the column I want the date the transaction took place to be inserted as the default in the column. I have tried a couple of things, but everytime I execute anything like:

SELECT CURDAT ();

MySQL reports Error 1146 Table mysql.proc doesn't exist. What have I not setup correctly?

Same thing happens when I execute:

SELECT VERSION ();

I am using version max-5.0.18 on a Linux system.

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Conditionals With Date/time...
I am trying to figure out how to use conditionals with date/time using PHP with MySQL. For instance i want a time limit on my site to restrict people clicking a link within so many minutes.

So for example if they click the link once thats fine, but if they do it again say within the next 5 minutes i want one output, but if they wait the alotted 5 mins then another output.

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Date Time Question
first post:

Hello,
I'm trying to show what users are currently logged in on my site. what I've done is update a timestamp everytime they hit a page. what i want to do is select users where the current time Now() is within 15 minutes of the timestamp, to see if any users are on.

but I'm not sure how to do this.
any ideas? examples would be grate, I haven't done any asp in a long time.

thanks in advance for you time!
-Ken

second post:

ok, i've tried this,

SQL = "Select user from accounts WHERE DateDiff(n, Now(), date) < 15 ORDER BY user"


but i'm getting an error:

ADODB.Recordset.1 error '80004005'

SQLState: 42000
Native Error Code: 1064
[TCX][MyODBC]You have an error in your SQL syntax near '(n, Now(), date) < 15 ORDER BY user' at line 1


/admin/date.asp, line 6


also i'm using MySQL as the data base.

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