Code solutions

This section will contain the solutions to the exercises.

Code solution – DML update statement with Database.update statement

The following code snippet is the solution to writing the code for updating records with the Database.update statement:

// Select the cast records with the Id
List<Cast__c> lstCasts = new List<Cast__c>([SELECT Id FROM Cast__c]);
For (Cast__c theCast : lstCasts){
 theCast.Rating__c = '3'; // while this is a picklist field, we need to provide a String to this field
}

List<Database.SaveResult> lstSavedCasts = Database.update(lstCasts, false);
For (Database.SaveResult savedCast : lstSavedCasts){
 If (! savedCast.isSuccess()){
 System.debug(savedCast.getErrors()...