多选题Which three tasks can be performed by using the performance Schema?（）AFinding queries that are not using indexesBFinding rows that are locked by InnoDBCFinding client connection attributesDFinding the part of a code in which a single query is spending
题目
多选题
Which three tasks can be performed by using the performance Schema?（）
A
Finding queries that are not using indexes
B
Finding rows that are locked by InnoDB
C
Finding client connection attributes
D
Finding the part of a code in which a single query is spending time
E
Finding the size of each table