Java EE Tutorials (ten)-Persistent query language

10.1 Query Language Terminology 140
10.2 Creating a query Using the Java Persistence Query Language 141
10.2.1 named parameters in query 142
10.2.2 position parameter in query 142
10.3 Simplified Query Language syntax 142
10.3.1 SELECT statement 142
10.3.2 Update and DELETE statements 143
10.4 Sample Query 143
10.4.1 Simple Query 143
10.4.2 navigating to related entities query 144
10.4.3 queries that contain other conditional expressions 146
10.4.4 batch update and delete 147
10.5 Full Query Language syntax 148
10.5.1BNF symbol 148
BNF Grammar for 10.5.2Java persistent Query Language 148
10.5.3FROM clause 152
10.5.4 Path Expression 157
10.5.5WHERE clause 158
10.5.6SELECT clause 165
10.5.7ORDER BY clause 167
10.5.8GROUP by and HAVING clause 167

Java EE Tutorials (ten)-Persistent query language