The Apache Derby project is pleased to announce a new feature release
of Derby, 10.2.1.6.
Apache Derby is a subproject of the Apache DB project.
Derby is a pure Java relational database engine which conforms to the
ANSI SQL and JDBC standards. Derby aims to be easy for developers
and end-users to work with.
Derby 10.2.1.6 can be obtained from the Derby download site:
http://db.apache.org/derby/derby_downloads.html.
Derby 10.2.1.6 introduces the following new featues:
* Tools
o The ij SQL interpreter now has command-line help
and two new commands: show tables and describe.
o The ij connect statement now works in the J2ME/CDC environment.
o Tools can now be invoked without specifying a classpath
just by typing "java -jar derbyrun.jar <toolName>".
* Security
o Databases can now be re-encrypted.
o Secure connections can now be required.
o Support has been added for DRDA userid/password substitution.
o SQL Standard GRANT/REVOKE support has been added
for authenticated users.
* Administration
o New scripts have been added in the bin directory which
follow Apache conventions.
o System tables have been added for access to diagnostic information
previously available only through non-standard VTIs.
o Online backup is enhanced to allow updates to the database, during
backup.
o Various Net Servlet improvements have been made.
o The network server now logs startup/shutdown messages
to the server log file.
* JDBC
o The network driver now supports statement timeouts.
o Large object streaming has been improved in the network driver.
o The FOR UPDATE clause is no longer required when declaring an
updatable ResultSet.
o Scrollable, updatable, insensitive ResultSets are now supported.
o Network client messages have been internationalized.
o Source-only JDBC 4 drivers are included, based on a proposed final draft
of JSR-221 and beta build 99 of Java SE 6.
* SQL
o Expressions are now allowed in the GROUP BY clause.
o Identity columns can be reset to start at a new value.
o New XML datatype and operators for storing and querying XML data
have been introduced, based on SQL/XML 2006.
o New builtin math functions have been added and wired-in as
JDBC escape functions.
o Unary +/- are now allowed for ? parameters.
o Optimizer overrides have been added.
o Triggers can now call Java procedures.
o The nullability of a column can be changed now.
Regards,
-Rick
