多项选择题
Which three components does the Scheduler use for managing tasks within the Oracle environment? （）(Choose three.)
A. a job B. a program C. a schedule D. a PL/SQL procedure
多项选择题 Whichtwostatementsaboutworkloadcaptureandreplayoperationsaretrue？（）
多项选择题 IdentifythetwodirectsourcesfromwhereSQLplanscanbeloadedintotheSQLplanbaselines.（）
单项选择题 Whichofthefollowingisnotavalidlinguisticsortelement？（）
