Databases contain integrity constraints to prevent chaotic events from happening, such as shipping a product to a customer with no address. Each company has integrity constraints unique to its ...

Business can often be described as a series of projects, and projects are often dictated by a set of constraints. While projects vary, constraints on them typically fall into one of three categories.

Ensuring the integrity of the organization’s databases is a key component of the DBA’s job. A database is of little use if the data it contains is inaccurate or if it cannot be accessed due to ...

When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I look at ...