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Forum
20

Time Sequence Object Command DB

. The obvious design solution is to write the transactions to the database in sequence.  This is very efficient ... -ordered sequence.  Object schemas are stored in the database and updated schemas are added in sequence in the database without having to update objects defined using the older schemas
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20

ObjectDB Object Database Features

fields) Database IDs - automatic allocation of global object database IDs. Sequence IDs - IDs are allocated automatically by application defined sequences. Application IDs - primary key values are set
JPA Doc
15

javax.persistence.SequenceGenerator

is specified for the GeneratedValue annotation. A sequence generator may be specified on the entity ... sequence numbers from the sequence. (Optional) The amount to increment by when allocating sequence numbers from the sequence. Default value: 50 Since: JPA 1.0 String catalog (Optional) The catalog
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14

Activation completed successfully!

. You can use one ObjectDB configuration file on multiple machines by specifying a sequence of
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14

What is new in ObjectDB 2.0?

ObjectDB 2.0 supports many new features and improvements, including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. Support of unlimited index keys size. SQL like queries ("select from ... where ..."). Real non blocking multithreading in
JDO Doc
11

javax.jdo.annotations.DatastoreIdentity

: {} Since: JDO 2.1 String sequence Name of sequence to use when the strategy involves sequences Name of sequence to use when the strategy involves sequences Returns: Name of sequence to use when the strategy involves sequences Default value: "" Since: JDO 2.1 IdGeneratorStrategy strategy Strategy to use
JDO Doc
9

javax.jdo.PersistenceManager

.0 Sequence getSequence(String name) Returns the sequence identified by name. Returns the sequence identified by name. Parameters: name - the name of the Sequence Returns: the Sequence Since: JDO 2.0
JDO Doc
8

getSequence(name)

Method javax.jdo.PersistenceManager Sequence getSequence(   String name ) Returns the sequence identified by name. Parameters: name - the name of the Sequence Returns: the Sequence Since: JDO 2.0
JDO Doc
8

javax.jdo.annotations.Persistent

of a FetchGroup. Returns: the recursion depth Default value: 1 Since: JDO 2.1 String sequence Name of the sequence to use with particular value strategies. Name of the sequence to use with particular value strategies. Returns: the name of the sequence Default value: "" Since: JDO 2.1 String serialized
JPA Doc
7

javax.persistence.GenerationType

GenerationType SEQUENCE Indicates that the persistence provider must assign primary keys for the entity using a database sequence. Indicates that the persistence provider must assign primary keys for the entity using a database sequence. Since: JPA 1.0 GenerationType TABLE Indicates