Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually. You may not be responsible for building and maintaining a database, but ...
Now that you understand the basic structure of a SQL application, let's dissect the basis of information retrieval: the query. For many techies, especially those that focus on systems administration, ...
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 ...
One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...