战略联盟各种形式中，彼此间参与程度最低的是（）。 合资企业。 许可证转让。 多数股权参与。 研究开发伙伴关系。
下列选项中，不属于零件图技术要求的是（）。 零件尺寸。 技术要求。 标题栏。 零件序号表。
Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning， while querying the user1.employees table， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA-01110： data file 5： ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file， and all the archived logs are accessible. Which option would you choose？（） flash back the corrupted blocks。 use the DBMS_REPAIR package。 use the RMAN TSPITR command。 use the RMAN BLOCKRECOVER command。 use the RESTORE DATABASE and RECOVER DATABASE commands。 investigate the time at which the corruption occurred and perform a point-in-time recovery。
Which commands are used for RMAN database recovery？（） restore。 repair。 copy。 recover。 replace。
Which statement describes the ROWID data type? （） Binary data up to 4 gigabytes.。 Character data up to 4 gigabytes.。 Raw binary data of variable length up to 2 gigabytes.。 Binary data stored in an external file, up to 4 gigabytes.。 A hexadecimal string representing the unique address of a row in its table.。
What advantages do WPARs have over LPARs？（）
