There are two categories of integrity constraints: General constraints, which allow you to restrict the data values that are accepted for the variables in a single data file, such as requiring 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 ...
10 tips for choosing between a surrogate and natural primary key Your email has been sent The superiority of surrogate versus natural keys is a hotly debated topic among database developers. Susan ...
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