Jose Isaias Cabrera wrote:
> t_20190208 (a PRIMARY KEY, b, c, d, e).
>
> I create a new table,
>
> t (a PRIMARY KEY, b, c, d, e)
>
> and insert a set of "new data", which contains changes that happened since 
> yesterday
> after the new set of data was created.  Right now, I bring the data out into 
> two arrays
> and check for the data outside SQLite by iterating through the fields and 
> checking for
> differences, one record at a time, but is there an easier or simpler way 
> using SQLite
> commands?

This query returns all rows that are new or changed:

  SELECT * FROM t
  EXCEPT
  SELECT * FROM t_20190208;


Regards,
Clemens
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