Fast Object Database for Java - with JPA/JDO support

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17

Are indexes implicitly created for relationships?

Do the following annotations @OneToMany @ManyToOne @ManyToMany @OneToOne imply @Index ? Thanks ... on the @One side. But ObjectDB doesn't apply these indexes automatically, because of their overhead (which most users are not aware of). You should use the @Index or @Unique annotations explicitly to set indexes. support Support
17

Check for index existence ?

Hello, Is there a simple way to check if indexes specified in entities are well taken into account ... of indexes: When you execute a query in the Explorer in the log pane. In the log file if you enable query ... well i got it after few minutes. Seems write in log is not immediate. Well, how can i check index
17

Search with wildcards and index issue

annotations: @Index(unique="true") @Column(nullable=false,unique=true) the search no longer works. I ... demonstrates that ESCAPE in LIKE was ignored when using an index. Build 2.3.7_11 fixes this bug. Thank you for your report. support Support
17

Full Text Indexing and Query

The ability of ObjectDB to index collections, including collections of strings, can be very useful in text indexing and search. By splitting document text into words and keeping these words in a List persistent field, documents that contain specific words can be retrieved easily
17

Case Insensitive Indexes

How do you do case insensitive indexes? I have search the Forum and tutorials and have not found any info related to this. Thanks, -- Nathan Modrzewski nmodrzewski Nathan Modrzewski Case insensitive string indexes are currently not supported. If you cannot use lowercase only (or uppercase
17

Support for case-insensitive indexes

I would like to request support for case insensitive string indexes. Case-insensitive search is a very common requirement and adding a separate field for every indexed field is a pain. Regards, Natalia. natmaclin Natalia Levine
17

Page #9 entry 0 (key 'bjjl') has 75 extra bytes / Unexpected last index ID: -119 (expected -116)

Please check the attached database file. When running the Doctor, I get Global Value Errors ------------------- [1] Unexpected last index ID: -119 (expected -116) Page Content Errors ------------------- [1] Page #9 entry 0 has unexpected object format [2] Page #9 entry 0 (key 'bjjl') has 75 extra
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InternalException when querying indexed field using a list that contains duplicates

is an indexed String field on the candidate class :ids is a list which contains a duplicate entry
16

Composite index support collection

Composite index support collection
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Index_Activation.png

Index_Activation.png

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

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.

Need Help?

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  2. Read the FAQ
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