Hi,
I am having difficulty in understanding  What is the purpose and difference between Action Function, Remote Action and Action Support. Pls explain with a Example or a scenario. 

thanq.

Hi All,

         Below is my Batch class. Is that always we require to pull complete records in databse in query field or can we filter using where condition. If we can filter can some one help me on this as I am getting errors

global class batchContactAccountNameUpdate implements Database.Batchable<sObject> {
    global Database.QueryLocator start(Database.BatchableContext BC) {
       String query = 'SELECT Id, AccountId,Type__C  FROM Contact where Type__c=:Asian Entities';
        return Database.getQueryLocator(query);
    }
   
    global void execute(Database.BatchableContext BC, List<Contact> scope) {
         for(Contact c : scope)
             
         {
             if(c.AccountId==null){
             
             c.AccountId = '0011900000BiZzn';            
         }
         }
         update scope;
    }   
    
    global void finish(Database.BatchableContext BC) {
    }
}