MySQL 查詢按列顯示當前日期來獲取當前日期記錄
為了實現此目標,下面是使用 DATE(NOW()) - 的語法
select *from yourTableName where DATE(yourColumnName)=DATE(NOW());
我們先建立一個表格
mysql> create table DemoTable706 ( UserId varchar(100), UserName varchar(100), UserSignupDate datetime ); Query OK, 0 rows affected (0.57 sec)
使用 insert 命令在表中插入一些記錄
mysql> insert into DemoTable706 values('John1@gmail.com','John','2019-01-31 12:45:22'); Query OK, 1 row affected (0.24 sec) mysql> insert into DemoTable706 values('Chris123@gmail.com','Chris','2019-07-22 10:05:02'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable706 values('12Robert@gmail.com','Robert','2019-06-22 11:25:22'); Query OK, 1 row affected (0.22 sec) mysql> insert into DemoTable706 values('DavidM@gmail.com','David','2019-07-22 00:00:02'); Query OK, 1 row affected (0.12 sec)
使用 select 語句顯示錶中的所有記錄
mysql> select *from DemoTable706;
這將生成以下輸出
+--------------------+----------+---------------------+ | UserId | UserName | UserSignupDate | +--------------------+----------+---------------------+ | John1@gmail.com | John | 2019-01-31 12:45:22 | | Chris123@gmail.com | Chris | 2019-07-22 10:05:02 | | 12Robert@gmail.com | Robert | 2019-06-22 11:25:22 | | DavidM@gmail.com | David | 2019-07-22 00:00:02 | +--------------------+----------+---------------------+ 4 rows in set (0.00 sec)
以下是獲取列中一個顯示當前日期的記錄的查詢
mysql> select *from DemoTable706 where DATE(UserSignupDate)=DATE(NOW());
這將生成以下輸出
+--------------------+----------+---------------------+ | UserId | UserName | UserSignupDate | +--------------------+----------+---------------------+ | Chris123@gmail.com | Chris | 2019-07-22 10:05:02 | | DavidM@gmail.com | David | 2019-07-22 00:00:02 | +--------------------+----------+---------------------+ 2 rows in set (0.00 sec)
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