MySQL中的删除操作有( )
A. clear table tablename;
B. drop table table_name;
C. drop database db_name ;
D. delete from tablename;
Bootstrap栅格系统关于屏幕大小的类前缀有( )
A. .col-xs
B. .col-x'l
C. .cl-lg
D. .cl-m'd
以下哪些文件Bootstrap字体图标文件( )
A. glyphicons-halflings-regular.eot
B. glyphicons-halflings-regular.svg
C. glyphicons-halflings-regular.txt
D. glyphicons-halflings-regular.ttf
Bootstrap表格中可以表示不同操作的类是( )
A. .error
B. .success
C. .danger
D. .active