Both mechanisms can be specified when running the Server or WebServer. Note that only one Java process at a time can make in-process connections to a given file: Post as a guest Name. By the year and version 1. At the time of the next startup, all such files will be renamed or deleted by the database engine.

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The Servlet mode can serve multiple databases.

Chapter 1. Running and Using HyperSQL

The catalog files are then saved in a form that can be opened quickly the next time the catalog is opened. Source IP addresses may be restricted by use of our Access Control List featurenetwork filtering software, firewall software, or standalone firewalls.

These modes allow a high degree of compatibility with several other database systems which use non-standard SQL syntax. When the engine closes the database at a shutdown, it creates temporary files with the extension. They do not provide a web front end to the database.

A proprietary communications protocol is used for this mode. Connection object also has some methods for transaction control. A connection should be reused as much as possible and closed only when it is not going to be used again for a long while.


We welcome direct, priority contact with developers from those projects to ensure a smooth transition to new versions. This command should be issued periodically, especially when lots of inserts, updates or deletes have been performed on the cached tables.

Copyright Fred Toussi. Then, use it via postgresql drivers. All these files are essential and should never be deleted.

This is done by making a connection to the database, then using hsqqldb methods of the java. The first and third option you list don’t meet the freely available portion of my question, and the second project is dead, according to their sourceforge project page.

Note When the engine closes the database at a shutdown, it creates temporary files with the extension. You can add the command line argument –help to get a list of available arguments for these tools. They are briefly discussed below. To run an HTTP server, replace the main class for the orbc in the example command line above with the following:.

There are several other distinctive features. It listens for connections from programs on the same computer or other computers on the network. The following example of the command for starting the server starts the server with one default database with files named “mydb. You can discuss patch contribution directly with the Maintainer.

Several important new features were also developed, including database hsqlddb, roles and new SQL features.



The user can delete these test. HyperSQL can use disk persistence in a flexible way, with reliable crash-recovery. The log file contains recent hsqlfb to the database. The development is in its late stages. Run H2which is based off hsqldb.

hsql-odbc: A Haskell Interface to ODBC.

This is the preferred way of running a database server and the fastest one. Please note that you do not normally use this mode if you are using the database engine in oxbc application server.

DatabaseManagers are general-purpose database access tools that can be used with any database engine that has a JDBC driver.

Each time a connection is made, a port is allocated by the operating system and deallocated after the connection is closed. We also rewrote the whole area of code that controls persistence and handles memory caching of disk based rows. HyperSQL is the only open-source relational database management system with a high performance dedicated lob storage system, suitable for gigabytes of lob data.