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database diff & merge
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and MariaDB
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Compare Ad Hoc Query Result

Open databases (see Schema changes summary use case) and 1click 'Query result diff' toolbar button:

for MySQL, click query result diff

In the opened Query result diff tab specify 2mapping type, 3query text and 4click Run.

for MySQL, query result diff set up options

Then 5specify expected unique key fields and 6click OK:

for MySQL, query result diff run and choose keys

and get the result:

for MySQL, query result diff can show new and changed

where you can 7apply additional filter to show only new and/or changed rows:

for MySQL, query result diff new and changed rows