There are two attributes you can put on your entity class properties: one is a convenience, the other is essential, and both are required when the primary key for a table consists of two columns. When ...

If you’ve worked with relational database systems for any length of time, you’ve probably participated in a discussion (argument?) about the topic of this month’s column, surrogate keys. A great ...

Data encryption performs two purposes: it protects data against internal prying eyes, and it protects data against external threats (hacking, theft of backup tapes, etc.) Encryption in the database ...