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84

groupBy(grouping)

Method javax.persistence.criteria.Subquery Subquery<T> groupBy( Expression... grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
84

groupBy(grouping)

Method javax.persistence.criteria.Subquery Subquery<T> groupBy( List<Expression<?>> grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
84

groupBy(grouping)

Method javax.persistence.criteria.AbstractQuery AbstractQuery<T> groupBy( Expression... grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously
84

groupBy(grouping)

Method javax.persistence.criteria.AbstractQuery AbstractQuery<T> groupBy( List<Expression<?>> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any
84

groupBy(grouping)

Method javax.persistence.criteria.Subquery<T> Subquery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added grouping
84

groupBy(grouping)

Method javax.persistence.criteria.CriteriaQuery CriteriaQuery<T> groupBy( Expression... grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously
84

groupBy(grouping)

Method javax.persistence.criteria.CriteriaQuery CriteriaQuery<T> groupBy( List<Expression<?>> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any
84

groupBy(grouping)

Method javax.persistence.criteria.CriteriaQuery<T> CriteriaQuery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
84

groupBy(grouping)

Method javax.persistence.criteria.AbstractQuery<T> AbstractQuery<T> groupBy( List<E> grouping ) Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
55

GROUP BY and HAVING clauses

"))); q.groupBy(c.get("currency")); g.having(cb.gt(cb.count(c), 1)); The CriteriaBuilder ... , greatest - return an expression representing the maximum of comparable values. The groupBy method ... of expressions in another form of groupBy). Setting a HAVING clause is very similar to setting a WHERE clause

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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