# Qiuz

+ 1) Which description(s) below is(are) correct regarding Prepared Plan Cache?
  + A. Avoiding the SQL overhead of TiDB repeated parse and generating execution plans
  + B. Need to be called in conjunction with the upper application framework Prepared API 
  + C. For JDBC, it is recommended to configure in the connection parameter `useServerPrepStmts = true` 
  + D. In Control panel `Query Summary > QPS By Instance`, by `StmtPrepare` request we can get whether Prepare statement is used

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Answer: ABCD