Which two statements are true when row archival management is enabled?（） The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.。 The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.。 The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.。 The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.。 The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.。
职业规划是指从业者进入职业角色，履行职业角色义务，享受职业角色权利，遵守职业角色规范的发展过程。（）
Automatic Shared Memory Management is disabled for your database instance. You realize that thereare cases of SQL statements performing poorly because of repeated parsing activity， resulting indegradation of performance. What would be your next step to improve performance？ （） Run the SQL Access Advisor.。 Run the Memory Advisor for the sga.。 Run the Memory Advisor for the pga.。 Run the Memory Advisor for the shared pool.。 Run the Memory Advisor for the buffer cache.。
Given: Which statement is true？（） The code will compile without changes.。 The code will compile if public Tree（） { Plant（）； } is added to the Tree class.。 The code will compile if public Plant（） { Tree（）； } is added to the Plant class.。 The code will compile if public Plant（） { this（"fern"）； } is added to the Plant class.。 The code will compile if public Plant（） { Plant（"fern"）； } is added to the Plant class.。
晨检通常要求的“一摸二看三问四查”中的“三问”是指（） 孩子有无发烧。 孩子的精神情绪状态。 有无携带不安全物品。 幼儿的饮食、睡眠和大小便的状况。
You are managing an Oracle Database 11g ASM instance having three disks in a disk group with ASM compatibility attribute set to 11.1.0 and redundancy set to high. One of the disks in the disk group becomes unavailable because of power failure.
Which statements will be true in this scenario？（）
