Reading evaluated data from MySQL database
ID
status (can contain values 0, 1, 2)
timepstamp
text
note
owner

number of entries
 number of entries where status=0
 number of entries where status=1
 number of entries where status=2
 number of entries where LENGTH(note)>0
 minimum timestamp
 maximum timestamp

SELECT status, timestamp, LENGTH(note)>0 WHERE owner="name";

SELECT
    MIN(timestamp) AS mintime,
    MAX(timestamp) AS maxtime,
    COUNT(*) AS number,
    ...
WHERE owner="name"

COUNT(WHERE status=0) AS inactive
    COUNT(IF(status=1)) AS active
    ...

SELECT
    COUNT(*) AS total,
    SUM(IF(status=0, 1, 0)) AS stat0,
    SUM(IF(status=1, 1, 0)) AS stat1,
    SUM(IF(status=2, 1, 0)) AS stat2,
    SUM(IF(LENGTH(note)>0, 1, 0)) AS notes,
    MIN(timestamp) AS mintime,
    MAX(timestamp) AS maxtime
FROM tbl_name
WHERE owner="name"
GROUP BY owner

SELECT
MIN(`timestamp`) AS `mintime`,
MAX(`timestamp`) AS `maxtime`,
COUNT(`ID`) AS `number`,
(SELECT COUNT(`ID`) FROM `Table` WHERE `owner` = 'owner' AND `status` = 0) AS `inactive`,
(SELECT COUNT(`ID`) FROM `Table` WHERE `owner` = 'owner' AND `status` = 1) AS `active`,
(SELECT COUNT(`ID`) FROM `Table` WHERE `owner` = 'owner' AND LENGTH(`note`)>0) AS `longentries`
FROM `Table`
WHERE `owner` = 'name'