Sql of note

Example of Time bucket

select
 from_unixtime(timestamp-timestamp%3600)as time,
 count(*)
from
 table
where
 data like 'Destination directory %does not exist at%' and
 FROM_UNIXTIME(timestamp) > subdate(now(),interval 4 day)
group by timestamp-timestamp%3600
order by time;

sqlite

.tables

.schema

Date / Time

Last day of this month:

SELECT date('now','start of month','+1 month','-1 day');

the first day of this monnth:

SELECT date('now','start of month');

first day of last month:

SELECT date('now','start of month','-1 month');

last day of last month:

SELECT date('now','start of month','-1 day');