11 | Running JPA Queries object, which is a Long object reflecting the number of Country objects in the database ... if no transaction is active. On success - the executeUpdate method returns the number of objects |
11 | ORDER BY clause (JPQL / Criteria API) JPQL expression whose type is comparable (i.e. numbers, strings and date values) and is derived ... "))); Unlike other methods for setting criteria query clauses - the orderBy method takes a variable number |
11 | Database Explorer the entity class and specify the number of objects to construct. Click the Create and Persist button ... windows and their order of appearance. This may be useful when working with classes with a large number |
11 | JPA Primary Key 64 bit number (long) that is set automatically by ObjectDB for every new entity object ... continuously and can be collected by accessing a minimum number of database pages. On the other end |
11 | javax.persistence.criteria.CriteriaBuilder - function arguments Returns: expression Since: JPA 2.0 Predicate ge( Expression<?> x, Number y) Create ... ( Expression<?> x, Number y) Create a predicate for testing whether the first argument is greater ... Predicate le( Expression<?> x, Number y) Create a predicate for testing whether the first argument |
8 | javax.persistence.TypedQuery statement. Execute an update or delete statement. Returns: the number of entities updated or deleted ... SELECT query or a Criteria API query Since: JPA 2.0 int getMaxResults() The maximum number of results the query object was set to retrieve. The maximum number of results the query object was set |
8 | SELECT clause (JPQL / Criteria API) - multiselect, which takes a variable number of arguments representing multiple selections, and builds |
1 | [ODB1] Chapter 3 - Persistent Classes classes in package java.lang: Boolean, Byte, Short, Character, Integer, Long, Float, Double, Number ... values at runtime when the object is stored in the database. For example, a field whose type is Number |
1 | [ODB1] Chapter 7 - JDOQL Queries.Collection instance and managed like any ordinary Java collection. For example, the number of retrieved ... class. This may be useful, for instance, to obtain the number of objects of a specific class |
1 | javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0 ... : fieldNumber - the field number of the key field. Returns: the value of the field to be stored into ... . Parameters: fieldNumber - the field number of the key field. Returns: the value of the field |
