Question: When using SQL*Plus, Oracle commands, column names, table names and all other database elements:
A.are case insensitive.
B.are case sensitive.
C.must always be in lower case.
D.must always be in upper case.
Answer: Option A

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Question 1. What Oracle backup and recover file contains user and system data?
  1.    Control file
  2.    Datafile
  3.    OnLine ReDo file
  4.    Offline ReDo file
Answer: Option B
Question 2. What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles?
  1.    Full backup
  2.    Consistent backup
  3.    Inconsistent backup
  4.    Differential backup
Answer: Option B
Question 3. Which SQL phrase is not supported by Oracle?
  3.    CREATE SEQUENCE [SequenceName]
  4.    DROP SEQUENCE [SequenceName]
Answer: Option B
Question 4. Of the three ways to create an Oracle database, which one is the easiest and most recommended?
  1.    Using the Oracle Database Configuration Assistant.
  2.    Using the Oracle-supplied database creation procedures.
  3.    Using the SQL CREATE DATABASE command.
  4.    None of the above is correct.
Answer: Option A
Question 5. Which of the following is not true about modifying table columns?
  1.    You can drop a column at any time.
  2.    You can add a column at any time as long as it is a NULL column.
  3.    You can increase the number of characters in character columns or the number of digits in numeric columns
  4.    You cannot increase or decrease the number of decimal places.
Answer: Option D
Question 6. After a table has been created, its structure can be modified using the SQL command:
  1.    UPDATE TABLE [TableName].
  2.    MODIFY TABLE [TableName].
  3.    ALTER TABLE [TableName].
  4.    CHANGE TABLE [TableName].
Answer: Option C

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