Displaying 1 result from an estimated 1 matches for "absent_charg".
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absent_charges
2006 Jul 14
3
compare two tables and find the difference?
...mns from TableA for all the records in TableA that don''t
exist in TableB.
TableA and TableB are different but do have one field in common that i
am comparing. The tables are not related in anyway.
right now I have a find_by_sql query located in a model that looks like
this:
def self.absent_charges
find_by_sql <<-QUERY
SELECT sources.charge_id_number, sources.charge_name,
sources.offense_level
FROM sources
LEFT JOIN charges ON sources.charge_id_number =
charges.charge_id_number
WHERE charges.id IS NULL
QUERY
end
I also need to dedupe what e...