在 MySQL 中查詢日期記錄的最快速方法
最快最簡單的方法是使用 MySQL BETWEEN 關鍵字。讓我們首先建立一個 -
mysql> create table DemoTable1413 -> ( -> EmployeeName varchar(20), -> EmployeeJoiningDate datetime -> ); Query OK, 0 rows affected (0.45 sec)
使用 insert 在表中插入一些記錄 -
mysql> insert into DemoTable1413 values('Chris','2018-09-28 11 :10 :50'); Query OK, 1 row affected (0.08 sec) mysql> insert into DemoTable1413 values('David','2019-09-28 11:10:50'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable1413 values('Mike','2019-09-29 12:40:00'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable1413 values('Carol','2019-09-28 12:06:10'); Query OK, 1 row affected (0.08 sec)
使用 select 從表中顯示所有記錄 -
mysql> select * from DemoTable1413;
這將產生以下輸出 -
+--------------+---------------------+ | EmployeeName | EmployeeJoiningDate | +--------------+---------------------+ | Chris | 2018-09-28 11:10:50 | | David | 2019-09-28 11:10:50 | | Mike | 2019-09-29 12:40:00 | | Carol | 2019-09-28 12:06:10 | +--------------+---------------------+ 4 rows in set (0.00 sec)
以下是在日期之間搜尋日期記錄的查詢 -
mysql> select * from DemoTable1413 -> where EmployeeJoiningDate between '2019-09-28' and '2019-09-28 23:59:59' -> limit 1;
這將產生以下輸出 -
+--------------+---------------------+ | EmployeeName | EmployeeJoiningDate | +--------------+---------------------+ | David | 2019-09-28 11:10:50 | +--------------+---------------------+ 1 row in set (0.03 sec)
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