10 SQL Server Best Practices Every Database Professional Should Follow SQL Server powers thousands of enterprise applications across industries. From banking and healthcare to e-commerce and business intelligence, organizations rely on SQL Server to store, process, and secure critical business data. However, simply installing SQL Server isn’t enough. A poorly optimized database can lead to slow queries, increased hardware costs, security vulnerabilities, and unexpected downtime. The good news? Following a few proven best practices can dramatically improve your database’s performance, reliability, and security. Here are ten SQL Server best practices that every developer, DBA, and data professional should know. 1. Avoid Using SELECT * One of the most common mistakes is retrieving every column from a table when only a few are needed. Instead of: SELECT * FROM Employees; Use: SELECT EmployeeID, Name, Department FROM Employees; Why? Reduces disk I/O Transfers less ...