List the different execution statements used in Drools

Some of the commonly used execution control statements used in Drools include:

• Rule flow group: It is generally utilized for rules from the JBoss business project management process
• Agenda – group: It is an optional keyword that is assigned to all the rules available in the database
• Activation – group: It is a reserved keyword found in all Drools DRL files. Activation – the group can consist of either a single rule or multiple rules. The rules in this group are run using “if…else if...else” statements