mysql 面试题_MySQL
1.mysql获取当前日期的函数是？格式化日期的函数是？
2.mysql安全策略有哪些，mysql优化策略有哪些？
3.写出三种以上mysql数据库存储引擎的名称，及各自用途。
4.论坛中有一个主题表，一个回复表，写sql语句输出按回复量排序的主题列表
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