About Time

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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
Issue
21

several times a day queries take several minutes

take around 10 seconds but sometimes several times a day take around 3-10 minutes
Issue
21

queries more than 10 times slower using 2.8.1 versus 2.7.6

under time pressure Since we already checked the database from issue #2417 and the problem
Forum
20

Java 8 time API

Java 8 time API
FAQ
19

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
Manual
19

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
19

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
Result
17

Eclipse Public License - v 1.0

license shall apply to the combination of the Contribution and the Program if, at the time ... such failure in a reasonable period of time after becoming aware of such noncompliance ... reserves the right to publish new versions (including revisions) of this Agreement from time to time
Manual
17

Setting and Tuning of JPA Queries

query time flush at the EntityManager level: em.setFlushMode(FlushModeType.AUTO); // Enable query time flush at the level of a specific query: query.setFlushMode(FlushModeType.AUTO ... query execution time in milliseconds. A QueryTimeoutException is thrown if timeout is exceeded
Manual
17

FROM clause (JPQL / Criteria API)

response time. Database Management Systems (DBMS), including ObjectDB, try to optimize execution ... of the referenced Capital objects is performed one at a time, i.e. the number of round trips ... _LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT_DATE, CURRENT_TIME, CURRENT