About size

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JPA Doc
87

size(collection)

Method javax.persistence.criteria.CriteriaBuilder Expression size(   C collection ) Create an expression that tests the size of a collection. Parameters: collection - collection Returns: size expression Since: JPA 2.0
JPA Doc
87

size(collection)

Method javax.persistence.criteria.CriteriaBuilder Expression size(   Expression collection ) Create an expression that tests the size of a collection. Parameters: collection - expression Returns: size expression Since: JPA 2.0
JDO Doc
85

FetchPlan.FETCH_SIZE_GREEDY

Static Field javax.jdo.FetchPlan int FETCH_SIZE_GREEDY For use with setFetchSize. Value: -1. Since: JDO 2.0
JDO Doc
85

FetchPlan.FETCH_SIZE_OPTIMAL

Static Field javax.jdo.FetchPlan int FETCH_SIZE_OPTIMAL For use with setFetchSize. Value: 0. Since: JDO 2.0
Forum
30

Database size is much larger than expected (x2)

? Question 2 : Why the size of db increased to 16,671,309,824, while the original images are stored in ... problem if the images are very large - try commit every 256 images. The database size should be larger than the size of the image files on the file system, but more than 100% overhead is not
Forum
29

Page size - changing after database creation

Hi, I was wondering, is it safe to change page size after database is created and filled with data? Should I set page size to the same value as block size on my filesystem? The page size ... the Doctor in fix mode, for this setting change to take effect. The optimal page size is affected by many
Issue
29

Bug when using SIZE in combination with date lower parameter

there seems to be a bug if I use the lower date select: SELECT j.jobId, SIZE(j.tags) FROM ParserJob j WHERE j.dateCreated < :date This returns a SIZE(j.tags) of 0 Tags, but the only existing ParserJob has 1 Tag. If I run the query: SELECT j.jobId, SIZE(j.tags) FROM ParserJob j WHERE j.dateCreated >= :date I
Forum
29

Database(*.odb) file size on disk

Hello, we have questions about the file size of ObjectDB database on disk. Can you tell us something about how the deleting of entities affects the size of *.odb files on disk? -Will the released ... than the initial size. import java.util.ArrayList; import java.util.List; import javax.persistence.Basic
Forum
28

odb file size doesn't shrink

Hello, why delete from ... doesnt modify size of odb? Even in in embedded mode, and in server mode i use recovery, not recording mode. When objects are deleted from the database their space is marked as unused and becomes available for future objects. The size of the database is not reduced, as
Manual
28

Database Management Settings

element: <size initial="256kb" resize="256kb" page="2kb" /> The <size> element <size initial="256kb" resize="256kb" page="2kb" /> The <size> element specifies the database file