【判断题】Give names to regular expressions and then define regular expressions using these names as if they were symbols. A sequence of definitions of the form d 1 = r 1 d 2 = r 2 .......... d n = r n where d ...
【单选题】The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL plan evolution task m...