Jakarta Query Guide (v6.0) Table of Contents Query API . 2 setFirstResult(), setMaxResults(). 2 setHint() . 2 setParameter(). 3 getResultList() . 3 getSingleResult(). 3 executeUpdate() . 4 setFlushMode() . 4 setLockMode(). 4 Large Result Sets : Loading Results at Commit(). 4 Result Set : Caching of Results. 5 Large Result Sets : Size . 5 RDBMS : Result Set Type. 5 RDBMS : Result Set Control . 6 JPQL . 7 SELECT Syntax . 7 FROM Clause . 8 Fetched Fields . 11 WHERE clause (filter) . 11 GROUP BY/HAVING clauses . 11 ORDER BY clause . 12 Fields/Properties . 13 Operators . 13 Literals . 14 Parameters. 14 CASE expressions . 15 JPQL Functions . 15 Collection Fields . 30 Map Fields . 30 Subqueries. 30 Specify candidates to query over . 31 Range of Results . 32 Query Result . 32 Query Execution. 34 Named Query . 35 JPQL : SQL Generation for RDBMS. 36 JPQL DELETE Queries . 37 JPQL UPDATE Queries . 37 JPQL Syntax Strictness . 38 JPQL Syntax BNF Notation. 38 Criteria . 43 Creating a Criteria query . 43 JPQL equivalent of the Criteria query. 43 Criteria API : Result clause. 44 Criteria API : FROM clause joins. 44 Criteria API : WHERE clause . 44 Criteria API : Ordering . 46 Criteria API : Parameters . 47 Criteria API : Subqueries . ..