Searching for Drools Database Support information? Find all needed info by using official links provided below.
Drools is a Business Rules Management System (BRMS) solution. It provides a core Business Rules Engine (BRE), a web authoring and rules management application (Drools Workbench), full runtime support for Decision Model and Notation (DMN) models at Conformance level 3 and an Eclipse IDE plugin for core development.
https://www.drools.org/download/download.html
Eclipse plugins and support for Drools, jBPM and Guvnor functionality. Distribution zip contains binaries and sources. Distribution ZIP. KIE Execution Server. Standalone execution server that can be used to remotely execute rules using REST, JMS or Java interface. Distribution zip contains WAR files for all supported containers.
https://docs.jboss.org/drools/release/5.2.0.Final/drools-guvnor-docs/html/chap-database_configuration.html
Assuming you are using on of the JBoss platforms, running Guvnor for the first time will create a database in the bin/ directory of the application server. There you will find the default Jackrabbit configuration file, namely repository.xml, and a repository directory which contains your repository data. Both of these are created automatically for you.
https://stackoverflow.com/questions/4392664/drools-storing-rules-in-database
Once you get into the business of storing multiple version of rules in a data store you are really looking for the Business Rule Management (BRMS) features of Guvnor (in Drools 5.x) or the Drools-WB/KIE-WB workbenches in Drools 6.0. Those solutions have solved for versioning, storage, and deployment of multiple rule versions out of the box.
https://www.tutorialspoint.com/drools/drools_rules_writing.htm
Drools - Rules Writing - If you see the default rule that is written in the Hello World project (Sample.drl), there are a lot of keywords used which we will be explaining now.
https://docs.jboss.org/drools/release/7.5.0.Final/drools-docs/html_single/
Drools is a business rule management system with a forward-chaining and backward-chaining inference based rules engine, allowing fast and reliable evaluation of business rules and complex event processing. A rule engine is also a fundamental building block to create an expert system which, in artificial intelligence, is a computer system that emulates the decision-making ability of a human expert.
https://stackoverflow.com/questions/39916467/drools-database
You are right, my question context is weak, sorry! I already have a big function with thousands of IF ELSE to replace a sql query to find some ratios between parameters. My question is intended to understand if Drools can support some kind database/dataset manipulation without using external structures or containers. – R063R Oct 7 '16 at 13:42
https://sujitpal.blogspot.com/2013/03/jboss-rules-in-database-take-2.html
Mar 10, 2013 · Drools Rules in a Database, Take 2. ... Since Drools (version 2) did not support this at the time, I ended up writing some glue code that tied Commons Collections Predicates and Closures into Drools Rule Conditions and Consequences, then built my rules on top of that. It was for a proof of concept project which ultimately never materialized.
https://www.baeldung.com/drools-excel
Nov 02, 2018 · Drools has support for managing business rules in a spreadsheet format. In this article, we'll see a quick example of using Drools to manage business rules using an Excel file. 2. Maven Dependencies. Let's add the required Drools dependencies into our application:
https://developer.jboss.org/thread/202932
Jul 21, 2012 · Drools support for C# .NET. Rama Seelam Jul 21, 2012 2:40 PM Hi, I have just joined this community hoping to get some answers. I am working on a Drools project in dot net. There is very little documentation and support available on the internet for the Dot net version . I found one good working ...
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