Truy vấn MySQL lọc bản ghi theo năm

Sử dụng hàm YEAR():

select *from yourTableName where year(yourColumnName)=yourYearValue;

Tạo bảng:

mysql> create table DemoTable -> ( -> CustomerName varchar(100), -> ShippingDate datetime -> ); Query OK, 0 rows affected (0.64 sec)

Chèn dữ liệu:

mysql> insert into DemoTable values('Chris','2019-01-21'); Query OK, 1 row affected (0.28 sec) mysql> insert into DemoTable values('Robert','2018-02-21'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable values('David','2016-04-01'); Query OK, 1 row affected (0.17 sec)

Hiển thị dữ liệu:

mysql> select *from DemoTable;

Kết quả

+--------------+---------------------+ | CustomerName | ShippingDate | +--------------+---------------------+ | Chris | 2019-01-21 00:00:00 | | Robert | 2018-02-21 00:00:00 | | David | 2016-04-01 00:00:00 | +--------------+---------------------+ 3 rows in set (0.00 sec)

Truy vấn lọc năm 2016:

mysql> select *from DemoTable -> where year(ShippingDate)=2016;

Kết quả

+--------------+---------------------+ | CustomerName | ShippingDate       | +--------------+---------------------+ | David | 2016-04-01 00:00:00 | +--------------+---------------------+ 1 row in set (0.04 sec)