摘要： ---SELECT------------SELECT result-set[FROM Tables][WHERE row-filter][GROUP BY column names][HAVING after-filter on groups][ORDER BY column names]USE 数据库SELECT * FROM 表SELECT field_name1,field_name2 FROM table ORDER BY field_name ASC/DESCSELECT dname, sex, ageFROM DependentORDER BY sex, age DESCSEL 阅读全文