摘要：
http://hcdn1.luffycity.com/data/course_related/14/documents/%E7%AC%AC%E4%B8%89%E7%AB%A0%E4%BD%9C%E4%B8%9A_1520583382.6884398.pdf https://www.cnblogs.c 阅读全文
摘要：
''' 测试数据： : add staff_table Alex Li,25,134435344,IT,2015‐10‐29 ： del from staff where serial = 3 ： UPDATE staff_table SET dept="Market" WHERE dept = "IT" UPDATE staff_table SET age=25 WHERE name = ... 阅读全文