global class accountBatch implements Database.Batchable<sobject> {
global Database.QueryLocator start(Database.BatchableContext bc){
String query = 'SELECT Id, Name FROM Account';
return Database.getQueryLocator(query);
}
global void execute(Database.BatchableContext bc, List<account> scope) {
for(Account a : scope) {
a.Name = a.Name + 'Updated';
}
update scope;
}
global void finish(Database.BatchableContext bc) {
}
}
Scheduled Class:
global class accountBatchSchedule implements Schedulable{
global void execute(SchedulableContext sc) {
//invoke the batch class
Database.executeBatch(new accountBatch());
}
}
Execute below code from anonymous window in developer console. This will scheduled the job to run in every hour starting from 12:00 AM.