Oracle-OCP-082_在线真题试卷与模拟练习_Oracle-OCP-082

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Examine the description of the products table

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Which is the default column or columns for sorting output from compound queries using SET operators such as INTERSECT in a SQL statement?

Examine the description of the SATES1 table

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SALES2 is a table with the same description as sAleS1 Some sales data is contained erroneously in both tables

You must display rows from sAlEs1 and SALES and wish to see the duplicates too Which set operator generates the required output?

Which compression method is recommended for Direct-Path Insert operations?

Examine the description of the EMPLOYEES table NIS DATE FORMAT is set to DD-MON-YY Which query requires explicit data type conversion?

Your database instance is started with an SPFILE APFILE is also available You execute this command ALTER SYSTEM SET DB CACHE SIZE=100K Where is the value changed?

View the Exhibits and examine the structure of the costs and PROMOTIONS tables

You want to display PROD IDS whose promotion cost is less than the highest cost PROD ID in a promotion time interval

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Examine this SQL statement

What will be the result?

In the spfile of a single instance database, LOCAL LISTENER is set to LISTENER 1. The TNSNAMES ORA file in SORACLE HOME/network/admin in the database home contains: LISTENER 1 = (ADDRESS= (PROTOCOL= TCP) (HOST =host1 abc. com) (PORT=1521) ) Which statement is true?

Which statement is true about database links?

The CUSTOMERS table has a CUST_LASTNAME column of data type VARCHAR2 The table has two rows whose CUST_LASTNAME values are Anderson and Ausson Which query produces output for CUST_LAST NAME containing oder for the first row and Aus For the second?

What is true about non-equijoin statement performance?

Which two statements are true about space-saving features in an Oracle Database?

Which two statements are true about views?

You currently have an active transaction in your session and have been granted select access to VSTRANSACTION

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In which three situations will re-executing this query still return a row but with a different XID indicating a new transaction has started?

Which two statements are true about the PMON background process?

Examine the description of the BOORS TRANSACTIONS table:

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Which two WHERE conditions give the same result?

Which three statements are true?

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Examine the description of the MEMBERs table:

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You want to display all cities that contain the string AN. The cities must be returned in ascending order with the last names further sorted in descending order.

Which two clauses must you add to the query?

You want to apply the principle of Least Privilege in all your live databases. One of your requirements is to revoke unnecessary privileges from all users who have them using Privilege Analysis. Which two are types of analyses that can be done using the DBMS PRIVILEGE CAPTURE package?

Which two statements are true about undo segments and the use of undo by transactions in an Oracle Database instance