Hi, Can some one describe about advantages and disadvantages of below to approaches 1. Interacting Database for information in rule ( using "from" or something else)? or 2. Required information supplied to rules in the form facts at one shot by client instead of again hitting the database. Thanks for your help:handshake: -- View this message in context: http://www.nabble.com/Advantages-and-Disadvantages-of-%22from%22-tp175612... Sent from the drools - user mailing list archive at Nabble.com.