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+/* NOTES
+================================================================================
+Git Repo: https://git.abbether.net/return-to-ritherdon/ritherdon-charts
+Project:  https://www.nicolaellisandritherdon.com/
+
+This file is part of the Ritherdon Charts repository ('Git Repo' link above).
+The repository does not include the SQLite database used by this file. The 
+reason why is because I did not want to include a 500MB database in the 
+repository.
+
+The main aim of this file is to extract the data from the database and export it
+as CSV files. From there, those CSV file can be process into smaller more 
+manageable files on (below) average spec'd computers. So, this file is probably
+going to be useless for you but I (Craig) needed a place to put this file.
+The project's repository seemed like the most appropriate place.
+
+The database contains the Light Meter readings (two in total) recorded by the
+'Personal Flash' artworks during the 'No Gaps in the Line' art exhibition
+('Project' link above).
+*/
+
+-- LIGHT METER 1
+-- =============================================================================
+
+-- Gets all the readings for Light Meter 1 in the database.
+-- The exhibiton ('No Gaps in the Line') ran betwen 13th June 2021 and 1st August 2021.
+-- DO NOT ALTER THIS STATEMENT. USE THE ONE BELOW FOR INSPECTING DATE RANGES.
+SELECT
+	time,
+	reading
+FROM
+	meter1
+WHERE
+	time BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-08-01');
+
+-- Gets readings between two dates for Light Meter 1 in the database.
+-- USE THIS TO EXPLORE READINGS FROM A PARTICULAR DATE RANGE.
+SELECT
+	time,
+	reading
+FROM
+	meter1
+WHERE
+-- NOTE: SET SECOND DATETIME TO DAY AFTER TO GET READINGS FOR SINGLE DAY.
+-- =============================================================================
+-- BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-06-14') gets all the 
+-- readings for the 13th June 2021.
+	time BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-06-14');
+
+-- Gets all readings which were above 0, recorded by Light Meter 1.
+SELECT
+	time,
+	reading
+FROM
+	meter1
+WHERE
+	reading > 0;
+
+-- Gets all readings which were below or equal to 0, recorded by Light Meter 1.
+-- This equates to welding booth having no light source active in them.
+SELECT
+	time,
+	reading
+FROM
+	meter1
+WHERE
+	reading =< 0;
+
+-- LIGHT METER 2
+-- =============================================================================
+
+-- Gets all the readings for Light Meter 2 in the database.
+-- The exhibiton ('No Gaps in the Line') ran betwen 13th June 2021 & 1st August 2021.
+-- DO NOT ALTER THIS STATEMENT. USE THE ONE BELOW FOR INSPECTING DATE RANGES.
+SELECT
+	time,
+	reading
+FROM
+	meter2
+WHERE
+	time BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-08-01');
+	
+-- Gets readings between two dates for Light Meter 2 in the database.
+-- USE THIS TO EXPLORE READINGS FROM A PARTICULAR DATE RANGE.
+SELECT
+	time,
+	reading
+FROM
+	meter2
+WHERE
+-- NOTE: SET SECOND DATETIME TO DAY AFTER TO GET READINGS FOR SINGLE DAY.
+-- =============================================================================
+-- BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-06-14') gets all the 
+-- readings for the 13th June 2021.
+	time BETWEEN DATETIME('2021-06-13') AND DATETIME('2021-06-14');
+	
+-- Gets all readings which were above 0, recorded by Light Meter 2.
+SELECT
+	time,
+	reading
+FROM
+	meter2
+WHERE
+	reading > 0;
+
+-- Gets all readings which were below or equal to 0, recorded by Light Meter 2.
+-- This equates to welding booth 2 having no light source active in them.
+SELECT
+	time,
+	reading
+FROM
+	meter2
+WHERE
+	reading =< 0;
\ No newline at end of file