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21

Post-compilation enhancement vs Automatic Run-time enhancement

We are getting massively different results on field loading between explicit post-compile enhancement and automatic run-time enhancement. Testing exactly where and when the results are different for our demo web app is a very time consuming task, and very difficult, it means testing literally 100s
Forum
21

Group by date / time

these expressions (as an extension to JPA) - support of date/time methods (YEAR, MONTH, DAY, HOUR, MINUTE
Forum
21

Issue with compile time enhancement

I have an entity library which I have integrated build time enhancement in.  The enhancer reports it has processed all of my persistent classes.  When I attempt to run a Bootstrap process with this library I get the error shown below.  The entity referenced in the error (Terms) is listed as having
Forum
21

Open several objectdb databases the same time

instances? In embedded mode a database can only be accessed by one process at a time. The server
Manual
20

Query Parameters in JPA

with different parameter values to retrieve different results. Running the same query multiple times ... for more details. Parameters vs. Literals Following is a third version of the same method. This time ... in order to specify what they represent, such as a pure date, a pure time or a combination of date
Forum
20

Java 8 time API

Java 8 time API
Manual
19

Literals in JPQL and Criteria Queries

are more generic and efficient because they can be compiled once and then run many times with different parameter ... equivalent. Date and Time Literals JPQL follows the syntax of SQL and JDBC for date literals: Date - {d 'yyyy-mm-dd'} - for example: {d '2010-12-31'} Time - {t 'hh:mm:ss'} - for example: {t '23:59:59
Manual
16

Index Definition

one. This may take a significant amount of time if many entity objects have to be examined. Using proper indexes ... . Index management introduces overhead in terms of maintenance time and storage space, so deciding ... , java.sql.Date, java.sql.Time, java.sql.Timestamp. Any enum type. Reference to an entity object
Manual
16

JPA Primary Key

. java.lang.String. java.util.Date, java.sql.Date, java.sql.Time, java.sql.Timestamp. Any enum type ... useful when using queries that return large result sets. As an example, consider a real time ... is represented by an Event entity object that holds time, sensor ID and additional details. Suppose
FAQ
16

What are the main benefits of using ObjectDB?

By using ObjectDB you can reduce development time and costs and improve your application performance. Reducing Development Time and Costs ObjectDB makes database programming easier and faster ... to shorter time to market and saving in the total development time and costs. Improving Performance