17 lines
644 B
SQL
17 lines
644 B
SQL
drop table if exists accident_copy;
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create table accident_copy as
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select * from accidents;
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alter table accident_copy add severity varchar;
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alter table accident_copy add foreign key (accidentuid) references accidents;
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update accident_copy set severity = 'Accident with property damage'
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where accidentseveritycategory='as4';
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update accident_copy set severity = 'Accident with light injuries'
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where accidentseveritycategory='as3';
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update accident_copy set severity = 'Accident with severe injuries'
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where accidentseveritycategory='as2';
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update accident_copy set severity = 'Accidents with fatalities'
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where accidentseveritycategory='as1'; |