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All the persistable types of JPA and JDO are supported by ObjectDB, including user defined entity classes, user defined embeddable classes, standard Java collections, basic data types (primitive values, wrapper values, String, Date, Time, Timestamp) and any other serializable classes. [8] Every object in the database has a unique ID. ObjectDB ...
It uses JSON for defining data types and protocols, and serializes data in a compact binary format. Its primary use is in Apache Hadoop, where it can provide both a serialization format for persistent data, and a wire format for communication between Hadoop nodes, and from client programs to the Hadoop services. Avro uses a schema to structure ...
clob: Text data of user-defined encoding; sexp: Ordered collections of values with application-defined semantics; Each Ion type supports a null variant, indicating a lack of value while maintaining a strict type (e.g., null.int, null.struct). The Ion format permits annotations to any value in the form of symbols.
^ ASN.1 has X.681 (Information Object System), X.682 (Constraints), and X.683 (Parameterization) that allow for the precise specification of open types where the types of values can be identified by integers, by OIDs, etc. OIDs are a standard format for globally unique identifiers, as well as a standard notation ("absolute reference") for ...
Flow diagram. In computing, serialization (or serialisation, also referred to as pickling in Python) is the process of translating a data structure or object state into a format that can be stored (e.g. files in secondary storage devices, data buffers in primary storage devices) or transmitted (e.g. data streams over computer networks) and reconstructed later (possibly in a different computer ...
Derby: pure Java relational database management system; JDO: Java Data Objects, persistence for Java objects; Torque: ORM for Java; DeltaSpike: collection of JSR-299 (CDI) Extensions for building applications on the Java SE and EE platforms; Apache Directory Committee Directory: LDAP and Kerberos, entirely in Java.
Oracle NoSQL Database Cloud Service is a managed cloud service for applications that require low latency, flexible data models, and elastic scaling for dynamic workloads. Developers focus on application development and data store requirements rather than managing back-end servers, storage expansion, cluster deployments, topology, software ...
CBOR encoded data is seen as a stream of data items. Each data item consists of a header byte containing a 3-bit type and 5-bit short count. This is followed by an optional extended count (if the short count is in the range 24–27), and an optional payload. For types 0, 1, and 7, there is no payload; the count is the value. For types 2 (byte ...