About execute

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JPA Doc
12

javax.persistence.TypedQuery

the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete statement. Execute an update or delete statement. Returns: the number of entities updated or deleted
FAQ
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What are the main benefits of using ObjectDB?

the execution time of object oriented applications significantly. For instance, collection and map ... convert these queries to SQL and then transition the SQL to the DBMS for execution through a JDBC driver
Manual
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Database Management Settings

execution of relevant queries. The element
Manual
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Shared (L2) Entity Cache

. Cache of query programs. Cache of query execution results. The scope of these server side caches ... can also be overridden for a specific retrieval operation: // Before executing a query:   query.setHint
Manual
10

JPA Criteria API Queries

, at least for simple static queries, since the equivalent JPQL query could simply be executed as ... are represented by a TypedQuery instance - query execution and query setting is similar, regardless
Manual
10

Date and Time in JPQL and Criteria Queries

that are evaluated to the date and time on the database server when the query is executed: CURRENT_DATE ... expressions are reevaluated on the server on every query execution to reflect the date and time
Manual
10

JPA Entity Fields

the inverse query and the load of the inverse field. But even with an index, executing a query ... query is executed eagerly when the entity object is first accessed. Version Field ObjectDB
Manual
10

CRUD Database Operations with JPA [2011-02-11]

. The getSingleResult method executes the query and returns the result. It should only be used ... the preferred way to work with queries. The getResultList method executes the query and returns
Manual
10

CRUD Database Operations with JPA

. The getSingleResult method executes the query and returns the result. It should only be used ... the preferred way to work with queries. The getResultList method executes the query and returns
JPA Doc
9

javax.persistence.Query

execution. Since: JPA 1.0 See Also: TypedQuery Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete statement. Execute an update or delete statement. Returns: the number of entities updated or deleted Throws