m0_46540089的博客

1、增删改查 /*插入语句*/ insert into table_name（column_name1,column_name2,column_name3,...） values (value1,value2,value3,...); /*删除语句*/ DELETE FROM table_name WHERE id = 2; /*更新语句*/ UPDATE table_name SET column1=value1,column2=value2,...WHERE some_column=some_val