Let’s say you want to process 1 million records using Batch Apex.

batch size is 200

a.)then how many batch are created.

b.) how many transaction are created.

c.) how many times batch are call

d.) how many times finish execute method are executed.

Error:  CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY: contacttrigger: execution of AfterInsert caused by: System.ListException: Duplicate id in list: 0015g00000bIctOAAS Class.counttriggercontact.countcontact: line 39, column 1 Trigger.contacttrigger: line 15, column 1 []

public class counttriggercontact {
    
    public static void countcontact (List<Contact> conlist)
    {
        system.debug('inside the method');
        Map<String,list<contact>> accountcontactmap = new map<String,list<contact>>();
        Set<id> accountidset = new set<id>();
        for(contact con:conlist)
        {
            accountidset.add(con.accountid);
        }
        List<contact> alreadyaccount = [select id,accountid from contact where accountid in:accountidset];
        for(contact c:alreadyaccount)
        {
            if(accountcontactmap.containskey(c.accountid))
            {
                list<contact> conlist1 = accountcontactmap.get(c.accountid);
                conlist1.add(c);
                accountcontactmap.put(c.accountid,conlist1);
            }
            else
            {
                list<contact> newlist = new list<contact>();
                newlist.add(c);
                accountcontactmap.put(c.accountid,newlist);
            }
        }
        list<account> acclist = new list<account>();
        for(contact cobj:conlist)
        {
            list<contact> presentcontact = accountcontactmap.get(cobj.AccountId);
            account acc = new account ();
            acc.id = cobj.AccountId;
            acc.No_of_Contact__c = presentcontact.size();
            acclist.add(acc);
           
            
        }
        update acclist;
        
        
    }

}

Is calling wired method in lwc is good practices. or imperative method ?

field value not show in report .

user have  field accessibility

here I am facing an issue in the report.

I have a report where a picklist field that does show any data in reports.

but if I create another report or apply the same filter then this report shows the value of that field in the report.

In dashboard  five records are show in reports.
but when user select view reports in dashboard or click DETAILED  button in bottom of page then it show the reports .but not show the exact same record .one record are not show why??

 Let’s say you want to process 1 million records using Batch Apex.

batch size is 200

a.)then how many batch are created.

b.) how many transaction are created.

c.) how many times batch are call

d.) how many times finish execute method are executed.