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 ...

What I need to do is set a constraint such that the WrenchingTool field can only contain ToolNumbers that have a corresponding ToolType of "Wrench." Meanwhile, the HammeringTool field has no such ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and ...