Hi.  Sorry, I wasn't clear.  

I want to use MySQL as I'm MySQL DBA trained.  OK, so I was, about 5 years 
ago.   And I'm a little too long in the tooth to learn new stuff.  

On Monday, 21 January 2019 10:23:16 UTC, Andrew Milner wrote:
>
> The database granularity, contents and structure is identical for sqlite3 
> and MySQL.
>
> The archive records are stored at 'archive interval' granularity.
>
> There are also 'daily' tables for each of the reading type which give max 
> and min for each calendar day.
>
> If you can use MySQL then you should also be capable of using sqlite3.
>
> How would you plan to retrieve the data from MySQL?
>
> Use the same method/approach to retrieve it from sqlite3
>
> (Granted, you may need to install sqlite3 on your weewx computer first)
>
> I guess I did not fully understand how/why going to MySQL would enable you 
> to get information from the database easier than from sqlite3.  The select 
> statements are nearly identical - albeit a little different for date\time 
> fields.
>
>
>
>
>
> On Monday, 21 January 2019 12:03:18 UTC+2, Cycle London wrote:
>>
>> Hi,
>> I've been running my station for just over a year, and would like to 
>> switch from sqilite to MySQL on a different server.   To be clear, what I 
>> mean by that is: I want to use a 'production' MySQL instance that is on a 
>> 'live' server.  
>>
>> A couple of questions, if I may. 
>>
>> 1.  What 'granularity' of data is available inside the database?  I ask 
>> because today for example, 21 January, I'd like to know what the 
>> temperature was like last year on the same date.  In the weewx GUI, I can 
>> see that the coldest day of the month of January 2018 was the 30th, but I 
>> can't see what the temperature was on the 21st.   Is this inside the DB?   
>> I know nothing of sqlite, so even if it's in there, I can't get it out.   
>>
>> 2.  Is there an easy, foolproof way of switching to MySQL?   I can do 
>> Linux, I can do MySQL but I don't know python or sqlite.  A quick method of 
>> switching would be great.  
>>
>> Many thanks. 
>>
>

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