What is the decimal equivalent of 00000110?（）

A、2

B、4

C、6

D、11

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• Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY .EMP_DEP_LOC_VU each time the view is referenced?（）

  A、Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.

  B、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.

  C、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.

  D、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.

  E、Scott cannot create a synonym because synonyms can be created only for tables.

  F、Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.

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• 太极图形是在我国（）时期创造出来的。

  A、新石器

  B、商周

  C、战国

  D、汉朝

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• You want to enable archiving on your database. Presently， the database is running in NOARCHIVELOG mode.Given below are the steps to accomplish the task in random order： 1. Shut down the instance. 2. Execute the ALTER DATABASE ARCHIVELOG command. 3. Start up the instance and mount the database. 4. Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1. 5. Open the database. Which is the correct sequence of steps for accomplishing the task（）

  A、4， 1， 3， 2， 5

  B、1， 3， 4， 5， 2

  C、1， 3， 2， 5； 4 not required

  D、4， 1， 5， 2； 3 not required

  E、1， 3， 4， 5； 2 not required

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• Identify the three predefined server-generated alerts. （） 

  A

   Drop User

  B

   Tablespace Space Usage

  C

   Resumable Session Suspended

  D

   Recovery Area Low On Free Space

  E

   SYSTEM Tablespace Size Increment

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• 关于增益调整线性，一般要求调整误差在（）以下.

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