Keeping your data set clean: Integrity constraints

When I teach my Data Cleaning course, the last topic I cover in the two-day course is SAS Integrity Constraints.  I find that most of the students, who are usually quite advanced programmers, have never heard of Integrity Constraints (abbreviated ICs).  I decided a short discussion on this topic would […]

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Jedi SAS Tricks – FedSQL Dictionary Tables

Dictionary tables are one of the things I love most about SQL! What a useful thing it is to be able to programmatically determine what your data looks like so you can write self-modifying and data-driven programs. While PROC SQL has a great set of dict…