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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The Query and TypedQuery interfaces define various setting and tuning methods that may affect query ... or at the level of a specific query, by overriding the default EntityManager setting: // Enable ... . JPA 2 adds support for pessimistic locking. The setLockMode method sets a lock mode
The <entities> configuration element specifies front end settings that are relevant on the client ... specifies enhancement related settings: The agent attribute (whose value is "true" or "false ... <cache ref="weak" level2="0mb" /> The <cache> element specifies settings of the two cache
of all the countries by 10%: UPDATE Country SET population = population * 11 / 10 UPDATE Country c SET c.population = c.population * 11 / 10 UPDATE Country AS c SET c.population = c.population * 11 ... name) for iteration. Multiple variables and JOIN are not supported. The SET clause defines one or
The <database> configuration element specifies back end (database engine) settings ... and page size settings: The initial attribute specifies the initial size of every new database file ... may corrupt the database. The <recovery> element specifies the recovery file settings: The enabled
The <general> configuration element specifies ObjectDB settings that are relevant ... file settings: The path attribute specifies a directory in which the temporary files are generated ... ="8mb" stdout="false" stderr="false" /> General logging settings are specified in the <log> element
Method javax.persistence.criteria.From SetJoin<X,Y> join( SetAttribute<?,Y> set ) Create an inner join to the specified Set-valued attribute. Parameters: set - target of the join Returns: the resulting join Since: JPA 2.0
Queries against the database are represented in BIRT as data sets. To create the data set: Open the [New Data Set] dialog box by right clicking the Data Sets node in the [Data Explorer] window and selecting New Data Set. Select the data source that was created in the previous step (e.g. ObjectDB
</welcome-file> </welcome-file-list> </web-app> The settings above routes web requests with .html suffix to the Spring dispatcher servlet. Additional spring configuration is set in another XML file ... /"/> </bean> </beans> The settings above guides Spring to support annotations (for components
-file-list> </web-app> The settings above routes web requests with .html suffix to the Spring dispatcher servlet. Additional spring configuration is set in another XML file (whose name is derived from ... /"/> </bean> </beans> The settings above guides Spring to support annotations (for components
All about JDO Annotations for Fetch Settings in Java/JPA database - explanations, examples, references, links and related information.