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You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database: 
1:SGA is allocated. 
2:Control file is read. 
3:Redo log files are read. 
4:Instance recovery is started. 
5:Background processes are started. 
6:Data files are checked for consistency. 
7:Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur()

A . 7,1,5,2,3,6,4
B . 1,2,3,7,5,6,4
C . 7,1,4,5,2,3,6
D . 1,7,5,4,2,3,6

A redo log file is corrupted while the database is open; as a consequence, database operations are stopped because archiving cannot continue. What would you do to solve the problem?()  clear the redo log group。  perform redo log file import。  perform an incomplete recovery。  perform a redo log recovery using Recovery Manager (RMAN)。  shut down the database and open the database in the NOARCHIVELOG mode。 水泥砂浆防水层施工时为防止空鼓,基层质量应符合下列规定()。 基层表面应平整、坚实、清洁。 基层表面应保持干燥,不得有水渍。 基层表面的孔洞、缝隙应采用与防水层相同的水泥砂浆填塞并抹平。 施工前应将埋设件、穿墙管预留凹槽内嵌填密封材料后,再进行水泥砂浆防水层施工。 The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS table. If the order value is more than 30000, the details have to be added to the LARGEjDRDERS table. The order ID, order date, and order total should be added to the ORDERJHISTORY table, and order ID and customer ID should be added to the CUSTJHISTORY table.   Which multitable INSERT statement would you use? ()  Pivoting INSERT。  Unconditional INSERT。  Conditional ALL INSERT。  Conditional FIRST INSERT。 You work as a database administrator for Certkiller .com. While granting a role,SELECT_CATALOG_ROLE, to a user, Certkiller, using Oracle Enterprise Manager 10g Database Control, you have cleared the DEFAULT check box. What will be the result?() The user cannot use the role at all.。 The role would not be granted to the user.。 The user needs to enable the role explicitly.。 The user can start using the role immediately.。 The user would have the admin option for the role.。 消费者行为

You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database: 
1:SGA is allocated. 
2:Control file is read. 
3:Redo log files are read. 
4:Instance recovery is started. 
5:Background processes are started. 
6:Data files are checked for consistency. 
7:Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur()

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