How to Check for Duplicates Before Inserting Into SQL. When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Again the problem is that the queries aren’t necessarily easy to come by and you have to reproduce it for each server. So it has to be housed somewhere and those queries may change across ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them.

And, by requesting SQL instead of a final answer, the ability to check how GPT generates its answer is baked into the process.