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单选题
You used the IMMEDIATE option to shut down your database instance. Consider the steps that mayoccur when a database instance is started and database is opened： 1：SGA is allocated. 2：Control file is read. 3：Redo log files are opened. 4：Instance recovery is started. 5：Background processes are started. 6：Data file headers 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
1，5，7，2，3，6；step 4 is not required
C
7，1，5，2，3，6；step 4 is not required
D
1，2，3，5，6，4；step 7 is not required
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更多 “单选题You used the IMMEDIATE option to shut down your database instance. Consider the steps that mayoccur when a database instance is started and database is opened： 1：SGA is allocated. 2：Control file is read. 3：Redo log files are opened. 4：Instance recovery is started. 5：Background processes are started. 6：Data file headers 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 7，1，5，2，3，6，4B 1，5，7，2，3，6；step 4 is not requiredC 7，1，5，2，3，6；step 4 is not requiredD 1，2，3，5，6，4；step 7 is not required” 相关考题
考题
单选题You execute the following command toauditdatabase activities： SQLAUDITDROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL； What is the effect of this command（）A
Oneauditrecord is created for every successful DROP TABLE command executed in the session ofSCOTT.B
Oneauditrecord is generated for the session when SCOTT grants the DROP ANY TABLE privilege toother users.C
One audit record is created for the whole session if user SCOTT successfully drops one or more tablesin his session.D
One audit record is created for every session of any other user in which a table owned by SCOTT isdropped successfully.E
One audit record is created for every successful DROP TABLE command executed by any user to droptables owned by SCOTT.
考题
多选题Which two statements are true about the Automatic Workload Repository （AWR）（）AAll AWR tables belong to the SYSTEM schema.BThe AWR contains systemwide tracing and logging information.CThe snapshots collected by the AWR are accessible through data dictionary views.DThe snapshots collected by the AWR are used by self-tuning components in the database.
考题
多选题User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives the followingerror after the INSERT statement is issued and few rows are inserted：INSERT INTO EMP_DEP （emp_id，name，salary，dep_name，mgr_id） *ERROR at line 1： ORA-01653： unable to extend table SCOTT.EMP_DEP by 128 in tablespace USERS Identify two actions eitherof which will help you resolve this problem. （）AGrant the RESOURCE role to SCOTT.BAdd data files to the USERS tablespace.CGrant the CREATE ANY TABLE privilege to SCOTT.DIncrease the space for SCOTT on the USERS tablespace.EIncrease the size of the data file associated with the USERS tablespace
考题
单选题Which is the correct description of a pinned buffer in the database buffer cache（）A
The buffer is currently being accessed.B
The buffer is empty and has not been used.C
The contents of the buffer have changed and must be flushed to the disk by the DBWn process. D
The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
考题
单选题The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in yourdatabase instance. At a certain point of time， the maintenance window closes before the statistics are gatheredfor all objects. Which statement is true in this scenario（）A
The statistics collection continues until all objects are processed.B
The job is terminated and the statistics collected are restored to a time before the job started.C
This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.D
The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened
考题
单选题The database instance has the following parameter setting： OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE REMOTE_OS_AUTHENT = FALSE REMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0 You have a local operating system user SKD. You create a database user OPS$SKD， and then assignexternal authentication. The user OPS$SKD has the CREATE SESSION privilege. What would youachieve by the above process（）A
The database user OPS$SKD will be able to administer the database.B
The authentication detail for the database user OPS$SKD is recorded in the password file.C
The local operating system user SKD will be able to access the database instance without specifying the username and password.D
The database user OPS$SKD has to login with the password of the local operating system user SKD to access the database instance.
考题
多选题Which three descriptions are correct about the effects of the TRUNCATE command on a table（）AThe corresponding indexes for the table are also truncated.BDelete triggers on the table are fired during the execution of the TRUNCATE command.CThe child table is truncated when the TRUNCATE command is applied on the parent table.DThe high-water mark （HWM） is set to point to the first usable data block in the table segment.ENo undo or very little undo data is generated during the execution of the TRUNCATE command
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