8: SQL and ER Last updated Feb 3, 2023 Save as PDF 7.7: References 8.1: Introduction and Background Page ID93686 ( \newcommand{\kernel}{\mathrm{null}\,}\) 8.1: Introduction and Background8.2: Define a Database Using SQL Data Definition Language8.3: Write a single table query in SQL8.4: Establish referential integrity using SQL8.5: Concise Summary8.6: Extended Resources8.7: References