1Z0-042練習材料不僅適用於學生，也適用於上班族;不僅適用於工作的退伍軍人，也適用於新招募的新人。我們的學習材料使用非常簡單易懂的語言，以確保所有人都能學習和理解。 1Z0-042真正的考試也可以讓你避免課本閱讀的枯燥，但讓你掌握練習過程中的所有重要知識。選擇1Z0-042測試引擎的原因如下。

下載最新試用版

最省時最高效的學習方法

我們的1Z0-042練習材料有三種不同版本：PDF，軟件版本和APP在線版本。它們為不同的考生提供了選擇其研究方法的可能性。如果您是辦公室工作人員，您可以在地鐵或公交車上學習1Z0-042真實考試的在線版本；如果你是一名學生，你可以在排隊吃飯時復習；如果你是家庭主婦，你可以在孩子睡覺時學習。同時，我們的學習資料支持離線學習，避免了沒有網絡就無法學習的情況。同時，使用1Z0-042測試引擎進行審核，讓您從標題中就能查看知識點，不僅可以讓您更深刻地記住知識點，還可以讓您避免閱讀書籍的枯燥過程。

保證100％通過

我們相信所有購買1Z0-042練習材料的學生只要能夠按照我們的學習材料提供的內容，每天進行學習，並通過模擬考試定期自我檢驗，就能順利通過專業資格考試。一旦您不幸使用我們的1Z0-042真實考試題庫未通過考試，我們將全額退款。退款流程非常簡單。只要您向員工提供您的成績單，您很快就會收到退款。當然，在您購買之前，我們的學習資料將為您提供免費試用服務，只要您登錄我們的網站，您就可以免費下載我們的試用版。我相信在您嘗試1Z0-042測試引擎後，您會愛上它們。

語言易於理解

作為一個行業新人，專業書籍中那些難以理解的單詞和表達常常讓你感到懊惱，但1Z0-042練習材料將幫助你完美地解決這個問題。由學習材料聘請的行業專家，將通過示例，圖表等解釋所有難以理解的專業詞彙。 1Z0-042實際測試中使用的所有語言都非常簡單易懂。使用我們的學習資料，您不必擔心您無法理解解專業書籍的內容。你也不需要花費昂貴的學費去輔導班。 1Z0-042測試引擎可以幫助您解決學習中的所有問題。

最新的 10g DBA 1Z0-042 免費考試真題:

1. User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, or any data definition language (DDL) command:
SQL> SELECT job FROM emp
2 WHERE job='CLERK' FOR UPDATE OF empno;
SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT's second session? (Choose three.)

A) LOCK TABLE emp IN SHARE MODE;
B) INSERT INTO emp(empno,ename) VALUES (1289,'Dick');
C) LOCK TABLE emp IN EXCLUSIVE MODE;
D) DELETE FROM emp WHERE job='MANAGER';
E) SELECT job FROM emp WHERE job='CLERK' FOR UPDATE OF empno;

2. You define an alert to be raised when the USERS tablespace usage has reached 80% of the total space. Which area would you refer to, in order to confirm that the alert has been raised due the event?

A) the DBA_ALERTS view
B) the alert.log file
C) the Database Control Home page
D) the Database Control performance page
E) the Database Control Maintenance page

3. Your alert log file has the following information:
Tue May 25 17:43:38 2004
ORA-00060: Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc.
What would you do to ensure that database is still running correctly?

A) examine the trace file and kill both the sessions responsible for the deadlock
B) examine the trace file for details and ask the user who caused the deadlock to roll back the transaction
C) examine the trace file and kill the session that caused the deadlock
D) examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock
E) examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database

4. View the Exhibit and analyze the CREATE TABLE statements used to create the ITEMS and ORDERS tables.
The ITEMS table has 50 rows and ORDERS table has 500 rows. Because you decide to not deal with the item code 188 in future, you execute the following command to remove the item:
SQL> DELETE FROM items WHERE item_code=188;
What is the effect of this command?

A) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are populated with
NULL values in their ITEM_CODE columns.
B) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are also deleted automatically.
C) The command fails with integrity violation error.
D) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the foreign key constraint is disabled in the ORDERS table.

5. Your database is started with SPFILE. You want the database instance to be dynamically registered with a listener L2 with the following details:
Protocol: TCP Host: indl151e Port: 1525
Which is the correct order of the steps that you would follow to achieve this?
1.Set the LOCAL_LISTENER parameter to L2 dynamically.
2.Make an entry for L2 in tnsnames.ora on the database server.
3.Restart L2.
4.Modify the listener.ora file to add the instance name in SID_LIST of L2.

A) 1, 2; 3 and 4 are not required.
B) 1, 2, 3; 4 is not required.
C) 2, 1; 3 and 4 are not required.
D) 1, 2, 4, 3

問題與答案：