Which two statements are true regarding undo tablespaces（） ["The database can have more than one undo tablespace.","The UNDO_TABLESPACE parameter is valid in both automatic andmanualundo management.","Undo segments automatically grow and shrink as needed， acting as circular storage buffer for their assigned transactions.","An undotablespaceis automatically created if the UNDO_TABLESPACEparameter is not set and the UNDO_MANAGEMENT parameter is set to AUTO during the database instance start up."]
水泥进场时应对（）进行检查，并应对其强度、安定性及其他必要的性能指标进行复验。 ["强度等级","水泥品种","包装或散装仓号","出厂日期"]
Which statement about windows and blocks is true?（） ["Transaction management is block-oriented rather than window-oriented. ","Forms automatically navigates to an item located in an activated window. ","A window may contain multiple blocks, but each block can only span one window. ","A window can contain multiple canvases, and an item can be located on multiple canvases.&e"]
You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database， you want the Oracle software to take care of all basic settings to optimize the database performance. Which method would you use to achieve this objective？（） ["Use the CREATE DATABASE .. command to create the database with Oracle-managed files. ","Use the Database Configuration Assistant (DBCA) to create the database with Oracle-managed files. ","Use Enterprise Manager to create a new database with the Online Transaction Processing (OLTP) option. ","Use Database Configuration Assistant (DBCA) to create the database with Transaction Processing template. ","Use the CREATE DATABASE .. command to create the database with Automatic Storage Management (ASM) file system."]
应当从工伤保险基金中支付的医疗费用不纳入基本医疗保险基金支付范围。
1985年“（）”文学诞生，其主要作家均为知青出身。
