Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is updated or ...

Say we have two types of tools: hammers and wrenches. We have a list of work orders, and we want to track what tool was used for the hammering and what was used for the wrenching. The problem is that ...

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 ...

Constraints can seem like the last thing you’d want for a creative project, but they’re actually beneficial when it comes to doing good work. If you’ve ever faced the common writer’s hurdle of the ...

Different classes of genome sequence, genome architectures, gene repertoires and molecular phenomes are subject to diverse evolutionary constraints that greatly vary in strength and in the nature of ...

Opinions expressed by Entrepreneur contributors are their own. Early in my career, I had a fairly shortsighted view of what it meant to be creative or innovative. I thought visionaries spent their ...

If you are starting your own business, you will quickly learn how to allocate your time and resources – which are also known as your constraints or limitations in completing a specific project. As ...

It’d be easy to assume that a man considered to be one of the most brilliant minds in modern architecture loves nothing more than a project without boundaries, lawless creativity, and unrestricted ...