If you've just started writing SQL Server queries, there's a good chance you probably wrote a query, saw it return the right ...
When I had AI write SQL for me, the total sales came out higher than the original table. Before fixing the calculation ...
It all started with my usual monthly aggregation.I asked AI to write the SQL for aggregating sales by customer.I needed to aggregate sales by customer for my monthly report. As usual, I told ChatGPT, ...
Oracle’s PL/SQL language has two basic mechanisms for getting data from the database: SELECT and cursors. SELECT is designed to return a single row into local variables; cursors give you the ability ...
A missing quote made MySQL scan 7.2 million rows. Here's how EXPLAIN exposed the problem and what it taught us about safe ...
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