I have done queries to the database in PHP with variables like month but
easily can select from a range of time and data to produce the same
results, the output goes directly to the web so if that is what you are
seeking for, I can help with PHP.
Saul
Kandy Wong wrote:
> Hi,
>
> I need to write a C++ program in a Linux environment to query with a
> timestamp.
> The user will only provide with an approximate time so I'd like to know
> how can I write a program or a query to return the closest data.
>
> The followings are the timestamp in the MySQL database:
> | 2008-08-05 03:56:09 | 1217933769 |
> | 2008-08-05 03:56:19 | 1217933779 |
> | 2008-08-05 03:56:29 | 1217933789 |
> | 2008-08-05 03:59:39 | 1217933979 |
> | 2008-08-05 03:59:49 | 1217933989 |
> | 2008-08-05 03:59:59 | 1217933999 |
> | 2008-08-05 04:02:39 | 1217934159 |
> | 2008-08-05 04:02:49 | 1217934169 |
> | 2008-08-05 04:02:59 | 1217934179 |
>
> For example, '2008-08-05 04:01:39' is the time provided by the user which
> does not exist in the database. So, how can I return the closest data? I
> know I can make use of 'LIKE' but this will return more than one data.
> What is the best method to get the closest one?
> And what is the good connector (C++ to MySQL) to use?
> Any suggestion?
> Thank you.
>
> Kandy
>
>
