Poorly written SQL statements can cause significant performance problems in your database environment. According to some experts, poorly written SQL can cause up to 70% of performance problems overall ...
Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
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