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 ...
SQL Server performance tuning is a complex topic due to how layered it is. While performance problems can often be traced back to data storage issues, the performance tuning process is a "holistic ...
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. Database developers have it tough.
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