DROP TABLE IF EXISTS fbcount_copy; CREATE TABLE fbcount_copy AS SELECT * FROM footbikecount; ALTER TABLE fbcount_copy ADD fuss_total INTEGER; UPDATE fbcount_copy SET fuss_total = fuss_in + fuss_out; ALTER TABLE fbcount_copy DROP COLUMN IF EXISTS fuss_in, DROP COLUMN IF EXISTS fuss_out, ADD PRIMARY KEY (id); ALTER TABLE fbcount_copy ADD velo_total INTEGER; UPDATE fbcount_copy SET velo_total = velo_in + velo_out; ALTER TABLE fbcount_copy DROP COLUMN velo_in, DROP COLUMN velo_out; select count(*), accidentyear from accidents group by accidentyear order by accidentyear; SELECT COUNT(*), accidentweekday_en FROM accidents GROUP BY accidentweekday_en ORDER BY COUNT(*); SELECT accidentyear AS year, accidentweekday_en AS weekday, COUNT(*) AS count FROM accidents GROUP BY weekday, year ORDER BY year, COUNT(*); select distinct msid from mivcount; SELECT accidentyear AS year, accidentweekday_en AS weekday, COUNT(*) AS count FROM accidents GROUP BY year, weekday ORDER BY year, weekday; SELECT accidentyear AS year, accidentmonth AS month, count() as count FROM accidents GROUP BY year, month; SELECT accidentyear as year, accidentmonth as month, count(*) as count from accidents where accidentinvolvingpedestrian=True group by month, year order by year, month; drop table if exists accident_copy; create table accident_copy as select * from accidents; alter table accident_copy add severity varchar; update accident_copy set severity = 'Accident with property damage' where accidentseveritycategory='as4'; update accident_copy set severity = 'Accident with light injuries' where accidentseveritycategory='as3'; update accident_copy set severity = 'Accident with severe injuries' where accidentseveritycategory='as2'; update accident_copy set severity = 'Accidents with fatalities' where accidentseveritycategory='as1'; SELECT accidentyear AS year, accidentmonth AS month, accidentinvolvingpedestrian AS ped, accidentinvolvingbicycle as bike, accidentinvolvingmotorcycle as moto,count(*) as count FROM accidents GROUP BY year, month, ped, bike, moto ORDER BY year, month;