, to_char(min(begin_date), 'DD-MM-RRRR hh24:mi:ss') first_raised , to_char(max(begin_date), 'DD-MM-RRRR hh24:mi:ss') last_raised ...
A full-stack data engineering project that simulates migrating a failing legacy SQL database to a modern system — diagnosing every bottleneck before touching production, running unsupervised ML ...
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