“SELECT date ‘2021-4-28’ + integer ‘7’ AS RESULT; ”该 SQL 返回的结果是什么？
A.2021-05-05 B.2021-05-05 01:00:00 C.2021-05-05 00:00:00 D.00:00:00正确答案A
“SELECT date ‘2021-4-28’ + integer ‘7’ AS RESULT; ”该 SQL 返回的结果是什么？
A.2021-05-05 B.2021-05-05 01:00:00 C.2021-05-05 00:00:00 D.00:00:00正确答案A
