1
ScholarCard
scholar_card_id grade scholar_id
1 grade-1 1
2 grade-1 2
3 grade-2 1
4 grade-2 2
5 grade-3 1
$scholar_cards = ScholarCard::where('scholar_id','=',$scholar_id)->orderBy('scholar_card_id','DESC')->get();
我有一張卡片的表格,我想顯示最新創建的卡片。 就像scholar_id 1一樣,列上有三個1。你如何顯示只有 scholar_id 1的最新或最後創建。這張表只有少數記錄爲簡單起見。獲取表格中某個特定ID的最新記錄