To purchase a commercial license for Perst for Java or .NET please contact us.
Perst and Perst Lite for Java
Perst open source / dual license embedded database for Java.
The Perst for Java distribution is compatible with Google's Android platform, and also includes Perst Lite for Java ME.
Build 4.34. Updated June 15 2013. Change history:
1. Add R-n spatial index
2. Support inserting elements in reverse order in time series
3. Fix memory overflow in case of serialization of Link using PerstOutputStream
4. Add Sphere class for point, line, circle, ellipse and polygon objects in sphere (equatorial) coordinate system (astronomic or terrestrial)
Perst for .NET (C#)
Perst open source / dual license embedded database for .NET (C#), .NET Compact Framework, Silverlight and Windows Phone 7 and 8, WinRT.
Build 4.42. Updated June 15, 2013. Change history:
1. Support inserting elements in reverse order in time series
2. Add Sphere class for point, line, circle, ellipse and polygon objects in sphere (equatorial) coordinate system (astronomic or terrestrial)
Perst ProScout demo
ProScout is a sample Java ME midlet, based on Perst Lite, that helps a sports recruiter manage information on a mobile device. ProScout has been tested in the PhoneME, Nokia S40 and S60, and Blackberry environments. Includes Getting Started file and commented source code.
Perst for Silverlight CRM demo
This demo shows Perst for .NET in a Silverlight-based customer relationship management (CRM) system. The demo runs in the user’s browser, stores records locally, and takes full advantage of Perst features. Includes source code and article w/ extensively comments.
PolePosition benchmark, Perst implementation - asynchronous version
PolePosition is a benchmark test suite to compare database engines and object-relational mapping technology. Includes PolePosition framework source to help to implement tests quickly, conduct timings and display results. Database transactions are committed asynchronously.
PolePosition benchmark, Perst implementation - synchronous version
This is the same PolePosition benchmark for Perst described above, but with database transactions commmitted synchronously.
TestIndex for Android
TestIndex is an Android-ready database benchmark application, with complete source code, that measures performance using Perst on Android, and Android’s bundled SQLite database system, performing the same tasks. Download TestIndex. (This download consists of the TestIndex benchmark application. Click here to obtain a report on TestIndex results in both in the Android emulator and in T-Mobile's G1 smartphone.)