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Managing Databases with Oracle
Comments
Question
What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?
Options
A. Application failure
B. Instance Failure
C. Media Failure
D. Rollback failure
Correct Answer
Instance Failure
Managing Databases with Oracle problems
Search Results
1. Which SQL phrase is not supported by Oracle?
Options
A. ON DELETE CASCADE
B. ON UPDATE CASCADE
C. CREATE SEQUENCE [SequenceName]
D. DROP SEQUENCE [SequenceName]
Show Answer
Scratch Pad
Discuss
Correct Answer: ON UPDATE CASCADE
2. SQL*Plus will finish the statement and execute it when the user types in this:
Options
A. A left slash ( \ ) followed by [Enter].
B. A colon ( : ) followed by [Enter].
C. A semicolon ( ; ) followed by [Enter].
D. A period ( . ) followed by [Enter].
Show Answer
Scratch Pad
Discuss
Correct Answer: A semicolon ( ; ) followed by [Enter].
3. To obtain the structure of an Oracle table, the command to use is:
Options
A. STRUCTURE [
TableName
].
B. DESCRIBE [
TableName
].
C. DESCRIBE STRUCTURE [
TableName
].
D. DESC TABLE [
TableName
].
Show Answer
Scratch Pad
Discuss
Correct Answer: DESCRIBE [
TableName
].
4. Which of the following is
not
true of SQL views?
Options
A. Oracle views cannot use the ORDER BY clause in view definitions.
B. Oracle views are created using the standard SQL-92 CREATE VIEW command.
C. Oracle views can by queried.
D. The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.
Show Answer
Scratch Pad
Discuss
Correct Answer: Oracle views cannot use the ORDER BY clause in view definitions.
5. An Oracle System Change Number (SCN):
Options
A. is a value that is incremented whenever a dirty read occurs.
B. is incremented whenever a deadlock occurs.
C. is a value that keeps track of explicit locks.
D. is a value that is incremented whenever database changes are made.
Show Answer
Scratch Pad
Discuss
Correct Answer: is a value that is incremented whenever database changes are made.
6. ________ is an interface by which application programs can access and process SQL databases in a DBMS-independent manner.
Options
A. ODBC
B. OLE DB
C. JPCD
D. ADO
Show Answer
Scratch Pad
Discuss
Correct Answer: ODBC
7. In OLE DB, a tabular data provider:
Options
A. does not own data.
B. transforms data through ODE DB interfaces.
C. is both a consumer and a provider of data.
D. exposes data via rowsets.
Show Answer
Scratch Pad
Discuss
Correct Answer: exposes data via rowsets.
8. ________ is an object-oriented interface that encapsulates data-server functionality.
Options
A. ODBC
B. OLE DB
C. JPCD
D. ADO
Show Answer
Scratch Pad
Discuss
Correct Answer: OLE DB
9. Which of the following are goals of OLE DB?
Options
A. Create object interfaces for DBMS functionality pieces only.
B. Increase flexibility only.
C. Object interface over any type of data only.
D. All of the above as goals of OLE DB.
Show Answer
Scratch Pad
Discuss
Correct Answer: All of the above as goals of OLE DB.
10. An ODBC data structure that identifies a database and the DBMS that processes it is called a(n):
Options
A. data source.
B. driver manager.
C. driver.
D. API.
Show Answer
Scratch Pad
Discuss
Correct Answer: data source.
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