A. 对 B. 错
A. select count(0) from ‘users’ B. sum ‘users’ C. count ‘users’ D. truncate ‘users’
A. update user. xiaoming’ set info.age=1 B. update ‘users’,’xiaoming’,’info.age’,’29’ C. put ‘users’,’xiaoming’,’info.age’ D. put ‘users’,’xiaoming’,’info.age’,’29’
A. create B. get C. put D. scan
A. count B. scan C. put D. get