Batch Class Code :-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | global class batchContactupdate implements Database.Batchable<sObject> { global Database.QueryLocator start(Database.BatchableContext BC) { string Query='Select Name, Type from Contact'; return Database.getQueryLocator(Query); } global void execute(Database.BatchableContext BC, List<contact> scope) { for (Contact a : Scope) { a.Description='----This Description is updated by Batch Class------'; } update Scope; } global void finish(Database.BatchableContext BC) { } } |
Developer Console Code :-
1 2 | batchContactupdate xyz = new batchContactupdate(); database.executebatch(xyz); |
Apex Job :-
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