money不是关键字。关于``: 1.Database, table, index, column, and alias names are identifiers 数据库，表，索引和列名都是标识符 2.An identifier may be quoted or unquoted 关键字能被引用或者不引用 3.The identifier quote character is the backtick (“`”): 引用标识符使用`` 4.If the ANSI_QUOTES SQL mode is enabled, it is also allowable to quote identifiers within double quotes: 如果ansi_quotes SQL mode被启用，也能使用双引号""引用标识符
1.Database, table, index, column, and alias names are identifiers 数据库，表，索引和列名都是标识符
2.An identifier may be quoted or unquoted 关键字能被引用或者不引用
3.The identifier quote character is the backtick (“`”): 引用标识符使用``
4.If the ANSI_QUOTES SQL mode is enabled, it is also allowable to quote identifiers within double quotes: 如果ansi_quotes SQL mode被启用，也能使用双引号""引用标识符