The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...
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 ...
If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL, but ...
SQL is the lingua franca for modifying and reading database data and any DBA worth his (or her) paycheck should be proficient in writing SQL queries. But SQL is a flexible and feature-rich language, ...
Technology Toolbox: VB.NET, C#, SQL Server "Yukon" All versions of SQL Server prior to SQL Server "Yukon" provide two ways to write procedural code that executes inside the database. The usual way is ...
SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of the history of your data. Here's how to retrieve that historical data. In an earlier column, I showed how ...
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