I want to mass update my account record. But I got this error when trying to deploy the code.
public class Insert_CustID_Old {
public void insertCustId() {
List<Account> accList = [SELECT Id, Cust_ID_SUJ__c, Cust_ID_SUJ_EBS_Old__c FROM Account WHERE Cust_ID_SUJ__c != NULL];
for(Account acc : accList){
Account accNew = new Account();
accNew.Id = acc.id;
accNew.Cust_ID_SUJ_EBS_Old__c = acc.Cust_ID_SUJ__c;
Update accNew;
}
}
}
System.LimitException: Too many DML statements: 151