You work as a database administrator for Certkiller .com. Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2， and archiving has stopped. All the redo logs are filled and database activity is halted. Database writer has written everything to disk. Which command would you execute to proceed further？（） RECOVER LOFIEL BLOCK GROUP 2；。 ALTER DATABASE DROP LOGFILE GROUP 2；。 ALTER DATABASE CLEAR LOGFILE GROUP 2；。 ALTER DATABASE RECOVER LOGFILE GROUP 2；。 ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2；。
对水利建设市场主体在工程建设过程中违反有关法律、法规和规章，受到（）以上人民政府、水行政主管部门、流域管理机构或相关专业部门的行政处理，所形成的不良行为记录进行公告。 省级。 市级。 县级。 区级。
You are administering a database stored in Automatic Storage management (ASM). The files are storedin the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data.231.45678’;What is the result?（） The file ‘+data.231.54769’ is physically relocated to ‘+data/prod’ and renamed as ‘myfile.dbf’.。 The file ‘+data.231.54769’ is renamed as ‘myfile.dbf’, and copied to ‘+data/prod’.。 The file ‘+data.231.54769’ remains in the same location and a synonym 'myfile.dbf' is created.。 The file ‘myfile.dbf’ is created in ‘+data/prod’ and the reference to ‘+data.231.54769’ in the data dictionary removed.。
【背景资料】某工程，建筑面积30000m2.由地上一栋27层，二层以上标准层高3米，地下1层，层高3.5米，框架剪力墙结构体系，基坑最大开挖深度6m，淤泥质土层，地下水较高，本工程外防护脚手架为双排落地式，使用2台塔吊做施工运输用。
签约开工后，项目经理安排某得力施工员编制总体质量控制计划，编制完成后交项目总工程师审批后，即组织实施，项目监理工程师向项目经理部发出通知，要求项目部编制的总体质量控制计划应交监理部审批，并指出深基坑工程应编制专项施工方案，且要求进行专家论证。
请根据上述背景资料完成以下选项土方开挖工程属于一个分项工程。
An RMAN backup job fails， displaying the following error： ORA-19809： limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in the future？ （） take the backup of the flash recovery area less frequently。 increase the value of the UNDO_RETENTION initialization parameter。 change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTO。 change the backup retention policy to retain the backups for a smaller period of time。 increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameter。 increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter。
软件设计中，Jackson方法是一种面向数据结构的设计方法，它将数据结构表示为三种基本结构，分别是（）
