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An append only database manager in the style of dbm. It has both a C and a Python interface and is ACID compliant. Internally it uses an immutable B+ Tree. (Being append only doesn't mean that you can't replace records or delete keys).
Amazingly simple, amazingly useful, personal database software (based on the windows-only Treepad program). Simply store your notes in a single tree structure. Excellent for lists, outlines, document planning...
The R-tree Library aims to implement a generic, portable, easy-to-use collection of R-tree variants. Tested to work under Linux and Windows, using GNU, Intel and VC++ compilers, and also implementing many variants already, we are well underway.
PySQL aims to be a full replacement for sqlplus (and much more). It has features such as history, completion, explain plan, session list, background queries, datamodel graphical output, object dependencies, PL/SQL package function call tree...
The SPASE Registry Explorer is a web browser application that enables interactive exploration of a SPASE compliant registry. The contents of a SPASE registry are organized in a tree and resource descriptions rendered for viewing in the browser.
UProm Requirement Management System (traceability and requirement coverage). Includes : - An admin module to manage SCRUM Project and tree of requirements - A multi-user Web-based client - Tools for databases management (HSQLDB, PostGreSQL,...) UProm
Java Account Manager is an LDAP client focused designed to manage user accounts in a directory tree, such as OpenLDAP. It is focused on ease of use for end users, and on configurability and extensibility for administrators.
A Tree is a hierarchical object database, based on Offsider technology.
Data and/or functionality is stored as properties of nodes on the database.
The Tree and all its nodes understand about paths.
Database and nodes respond to object messages.
Tokyo Cabinet is the successor of QDBM, a high performance database library similar to the DBM family. It also supports hash and B-tree databases and does not require any server process. The overall speed is improved compared to QDBM.
Work with: MySQL, PostgreSQL, FirebirdSQL. Use PHP, and ExtJS. Browse in Tree: db,table,column,constraint,trigger,view,proc. Has history, and fragments panel. Editor has autocomplete, autoindent. Easy install, unpack in webroot and edit "set.php"
A disk based production quality RTree based upon Guttmans quadratic split algorithm having following features:
Buffering with dirty write,
Index joins,
Tree Seeding,
Window and NN queries,
Runtime STR Packing capability,
Completely Thread safe.
Standalone Java application to view any hierarchical data structures in a JTree. Keys and names to show in the tree are solely driven by SQL statements. The same applies to the additional node's data, which is shown in a separate table panel aside.
An extensible spatial index library in C++ that supports robust spatial indexing methods and many advanced features. Currently supports R-tree (Rtree, R*-tree) variants, Multi Version R-trees (MVR-tree) and TPR-trees. For more information please visit the project homepage.
XSpace is a globally accessible repository for hierarchically-keyed information. It provides persistence for trees with an elegant tree-navigation API. XSpace also publishes real-time events whenever a persisted tree is updated.
An Eclipse plugin for browsing and editing LDAP directories. Includes: tree-based DIT-browser, entry editor, spreadsheet-like search result editor, schema browser, LDIF support and a rich LDIF editor.
StarSDB is a spatial database system designed for embedded GIS software.It stores spatial data on SQLite database system and builds R* tree spatial index on these spatial data.You can store and make a spatial query in StarSDB as the PostgreSQL/PostGIS.
Wizard-style web interface for structured information trails - an n-ary decision tree structure based on true/false logic. It can be used as a 'Wizard', an expert system, or as a backend for interactive fiction.
TreeDocs is content management system (requires J2EE application server, uses EJBs) with web-based user interface that allows user to easily store documents and notes in a tree. All records are written into database. Tested under JBoss.
Delphi class for managing hierarchical data in a SQL-92 database and displaying it in TTreeView component. Includes methods: display tree, add node, remove node (with subnodes) and etc. Supports several trees in the same table.
treecat is a simple, interactive tool that helps you classify files or database entries into an arbitrary category tree. Items are automatically classified within a taxonomy quickly and accurately, requiring single key confirmation or correction.
"dbsql2xml" is Java tool (class) for transformation (export, convert) relational database into hierarchical XML. It requires JRE 5.0, JDBC and SQL DBMS. "dbsql2xml" uses XML document for mapping database tables and columns into elements of tree XML.
Persitancy api simaler to Prevailer but with more transparancy and less intrusiv to how you can disign your data structure. It uses a bytecode enhancer to add needed code to have your object presited betwhen sessions.
JSpeed -- Java-based Open-Source Embedded Database Management System supporting network database model with limited relational access. JSpeed's goal is to provide a high-speed embedded database written in 100 percent Java. Key management uses EP-Tree.