You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（） It would return information regarding only the last committed transaction.。 It would return only the active transactions in all the undo segments in the database.。 It would return only the committed transactions in all the undo segments in the database.。 It would return both active and committed transactions in all the undo segments in the database.。 It would return information regarding the transactions that began and were committed in the last 30 minutes.。
如何采用成本法评估无形资产？
滑动速度
（）诗派是当时40年代规模最大、影响也最大的一个诗歌流派。
You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format. Which three storage options support the use of HCC?（） ASM disk groups with ASM disks consisting of Exadata Grid Disks.。 ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array。 ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files。 Database files stored in ZFS and accessed using conventional NFS mounts.。 Database files stored in ZFS and accessed using the Oracle Direct NFS feature。 Database files stored in any file system and accessed using the Oracle Direct NFS feature。 ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage array。
现阶段我国工程造价管理信息化建设存在的主要问题包括以下几项（）。
