一. console
shell>mysql -Auxxx
mysql>select 1 from dual;
+---+
| 1 |
+---+
| 1 |
+---+
或
shell>mysql -uxxx -e "select 1 from dual;"
+---+
| 1 |
+---+
| 1 |
+---+
二. watch
shell>watch -n 30 'mysql -uxxx -e "select 1 from dual;"'
Every 30.0s: mysql -uroot -e "select 1 from dual;"
1
1
为什么 2 没有显示为表格样式?