Throughout this book, we explored various tools, techniques, and applications for using SQL on the iSeries. All these discussions assumed that you already have a basic understanding of SQL. For those who are new to SQL, these discussions mean little without the basic framework to understand them.
This appendix reviews the basic syntax of SQL, to give beginners the opportunity to develop enough skill and comfort with the language to better understand the material presented in this book. The material covered in this appendix is outlined below:
ORDER BY clause
GROUP BY clause
DELETE statement ...