How to Mass Update Records In Salesforce

In this blog, you will learn how you can mass update records in salesforce using Developer Console Anonymous Window.

Follow Below Steps

Go to Setup

Open Developer Console

Go To Debug menu

Select Open Execute Anonymous Window from dropdown

List<Account> updateListofAccounts = new List<Account>();
List<Account> accountList = [Select Type From Account Where Type = ''];
for(Account acc:accountList){
acc.Type ='Prospect';
updateListofAccounts.add(acc);
}
if(updateListofAccounts.size()>0){
Update updateListofAccounts;
}