Oracle中查詢第一條和最後一條數據

1.Oracle中查詢數據庫表的第一條數據

SELECT * FROM (SELECT * FROM "user" ORDER BY "id") WHERE ROWNUM = 1

2.Oracle中查詢數據庫表的最後一條數據

SELECT * FROM (SELECT * FROM "user" ORDER BY "id" DESC) WHERE ROWNUM = 1