If we would need to select a group of records and book these for further processing (I. e. changes to them) then FOR UPDATE cursor syntax can help us.
Kama tunataka haja ya kuchagua kundi la kumbukumbu na kitabu hizi ajili ya usindikaji zaidi (I. e. Mabadiliko kwao) basi KWA UPDATE mshale syntax anaweza kutusaidia.