APPENDIX
B
SQL Primer
This primer supports the SQL
SELECT, INSERT, UPDATE, and DELETE statements that exist throughout the book. This primer a critical resource to avoid you choosing to use PL/SQL to solve problems that are better solved with SQL. It’s provided for you because all too often other developers resort to PL/SQL solutions when more effective SQL solutions are available but unknown. PL/SQL should help you solve those problems that can’t be solved with SQL alone.I’ve made an effort in this primer to highlight the SQL concepts and best practices that support key features of Oracle Database 12c. It seemed best to me to put complete discussions ...
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