Lesson: 36 | Batch Apex | Delete Records

Code

Apex Class:

global class DeleteBatch implements Database.Batchable<Sobject>{
    global final String query;
    global Database.QueryLocator start(Database.BatchableContext bc) {
        return Database.getQueryLocator(query);
    }
    global void execute(Database.BatchableContext bc, List<Sobject> scope) {
        Database.delete(scope,false);
        Database.emptyRecyclebin(scope);
    }
    global void finish(Database.BatchableContext bc) {
    }   
}

Apex Code (Execution):

DeleteBatch objA = new DeleteBatch();
objA.query = 'SELECT Id FROM Account';
Database.executeBatch(objA,100);