How to call another batch apex from one batch apex? i am providing 2 sample batch apexes just for testing purpose, or else can some one provide me a sample batch apex in which another batch will be calledBatch apex 1public class BatchLeadConverted implements database.Batchable<sobject>{ list<lead> llist=new list<lead>(); public string query='select id,name,status from lead'; public string flag='Closed - Not Converted'; public database.querylocator start(database.BatchableContext bc){ return database.getQueryLocator(query); } public void execute(database.BatchableContext bc,list<lead> le){ for(lead l:le){ if(l.status==flag) { llist.add(l); } } delete llist; database.emptyRecycleBin(llist); } public void finish(database.BatchableContext bc){ } }called with below code Batchleadconverted b=new BatchLeadConverted();database.executebatch(b,2); Batch Apex 2public class accno implements database.Batchable<sobject>{ integer i=0; public string query='select id,name from account'; public Database.QueryLocator start(Database.BatchableContext bc) { return database.getQueryLocator(query); } public void execute(database.BatchableContext bc, list<account> acc) { for(account a:acc) { a.name=a.name+i;i++; } update acc; } public void finish(database.BatchableContext bc) { messaging.SingleEmailMessage ms=New messaging.SingleEmailMessage(); string[] mailme=new string[] {'xxxxxx@gmail.com'}; ms.settoAddresses(mailme); ms.setsubject ('record update'); ms.setPlainTextBody('ExampleText'); messaging.sendEmail(new messaging.SingleEmailMessage[]{ms}); } }call with below codeaccno a=new accno ();database.executebatch(a)