mysql quick query row count using sql

1. command

show table status like '{table-name}';

2. sample

mysql> use inventory;
Database changed
mysql> show tables;
+---------------------+
| Tables_in_inventory |
+---------------------+
| customers           |
| decimalTest         |
| orders              |
| orders1             |
| products            |
| products_on_hand    |
| t_amount_cumulation |
| t_member_inf        |
| test                |
| test2               |
+---------------------+
 rows in set (0.00 sec)

mysql> show table status like 'customers';
+-----------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+
| Name      | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time         | Update_time | Check_time | Collation       | Checksum | Create_options | Comment |
+-----------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+
| customers | InnoDB |       | Dynamic    |     |            |        |                |         |          |            | -- :: | NULL        | NULL       | utf8_unicode_ci |     NULL |                |         |
+-----------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+
 row in set (0.00 sec)

The output result indicate the row number of the table: customers is 4.