Examine the commands executed to monitor database operations: $> conn sys oracle/oracle@prod as sysdba SQL > VAR eid NUMBER SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’); Which two statements are true?（） Database operations will be monitored only when they consume a significant amount of resource.。 Database operations for all sessions will be monitored.。 Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.。 Only DML and DDL statements will be monitored for the session.。 All subsequent statements in the session will be treated as one database operation and will be monitored.。
利用高技术产业的迅速发展来推动经济的快速发展，这种经济增长的方式属于（） 内涵式扩大再生产。 生产资料扩大再生产。 外延式扩大再生产。 消费资料扩大再生产。
幼儿园里全部工作的中心是（） 师资建设。 环境创设。 保教工作。 教育教学。
制定《社会保险法》，是为了规范社会保险关系，维护公民参加社会保险和享受社会保险待遇的合法权益，使公民共享发展成果，促进社会和谐稳定。
Which two statements are true about checkpointing（） The checkpoint frequency decreases with the smaller redo log file size.。 It ensures that all committed data is written to the data files during normal shutdown.。 The frequent full checkpoint in a database can cause the overall degradation of the database performance.。 It prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the online redo log files.。
下列选项中，属于单位工程施工组织设计的内容的是（）。
