mysql - 计算下面特定行的行数

Question

这是我的桌子

如何编写查询，我想从 ID=2 开始选择行数（或者它可以是我输入的任何其他数字）但仅限于 IDveterinar=5 或我输入的其他数字

有人想像SELECT COUNT(*) AS count FROM mytable...

Answer 1

SELECT 
    COUNT(*) AS count FROM mytable
WHERE 
    ID >= 2
    AND IDveterinar = 5

Answer 2

SELECT COUNT(*) AS count FROM mytable WHERE id>=2 AND IDveterinar=5;

Answer 3

如果要选择从 ID 2（包括）开始的行数，这是查询：

SELECT COUNT(*) AS count
FROM myTable
WHERE ID >= 2 AND IDveterinar = 5;

如果要选择从 ID 2（排除）开始的行数，则查询如下：

SELECT COUNT(*) AS count
FROM myTable
WHERE ID > 2 AND IDveterinar = 5;