- API for RDBMS. Two
query languages are supported. The JDO
Query Language (
JDOQL),
which is
based on Java syntax, and the JPA
Query Language (JPQL), which...
- The OQL
standard influenced the
design of
later query languages such as
JDOQL and EJB QL,
though none are
considered to be any
version of OQL. The following...
- It has
influenced the
design of some of the
newer query languages like
JDOQL and EJB QL.
XQuery is a
standard XML
query language implemented by XML database...
-
Standardized ORM
mapping descriptors (for ORM-based JDO implementations)
JDOQL Enhancements (Single
String Form; more String, Map & Math
methods support...
- object-relational
mapping (ORM) patterns,
allows querying using either JDOQL, JPQL or SQL, and
comes with its own byte-code enhancer. It
allows persistence...
-
schema changes.
Rather than
using string-based APIs (such as SQL, OQL,
JDOQL, EJB QL, and SODA),
Native Queries (NQ)
allow developers to
simply use the...
