In modern web development, the opportunity to write SQL directly is decreasing, and OR mappers are used in many workplaces.An ...

Knowing what you want from SQL Server is probably the biggest step toward running it successfully in business applications, according to consultant Koen Verbeeck. It's not just about knowing how SQL ...

A relational database is a type of database that organizes data points with defined relationships for easy access. In the relational database model, the data structures-- data tables, indexes and ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...

When people who have just started learning programming or have just entered the IT industry ask me, "What should I study ...

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 ...

Database normalization is the cornerstone of database theory. Once a database is normalized, relationships between the data in multiple tables must be established. A hefty part of designing a ...