Oracle 19c OC 1Z0-082-CHN_在线真题试卷与模拟练习_Oracle 19c OC 1Z0-082-CHN

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In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.

The TNSNAMES.ORA file in $ORACLE HOME/network/admin in the database home contains:

LISTENER_1 = (ADDRESS= (PROTOCOL= TCP) (HOST =host1.abc. com) (PORT=1521) ) Which statement is true?

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 Examine this SQL statement What will be the result?

Your database instance is started with an SPFILE.A SPFILE is also available.You execute this command ALTER SYSTEM SET DB_CACHE_SIZE=100k Where is th value changed?

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

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

Examine the description of the SALES1 table 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 SALES2 and wish to see the duplicates too.

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

Examine the description of the products table which query is valid？

Which statement is true about database links?

The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2. The table has two rows whose CUST_LAST_NAME 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?

Examine the description of the PROCUCT INFORMATION table: Which query retrieves the number of products with a null list price?

Choose the best answer The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2. The table has two rows whose CUST_LAST_NAME values are Anderson and Ausson.

Which query produces output for CUST_LAST_NAME containing Oder for the first row and Aus for thesecond?

As the DBA, you execute this command: GRANT CREATE VIEW TO usr1 WITH ADMIN OPTION; USR1 then executes this command: GRANT CREATE VIEW TO usr2 WITH ADMIN OPTION; USR2 then executes this command: GRANT CREATE VIEW TO usr3: Which statement is true?

Examine this query: SELECT TRUNC(ROUND(156.00,-2),-1) FROM DUAL What is the result?

A database is configured to use automatic undo management with temporary undo enabled An UPDATE is executed on a temporary table. Where is the UNDO stored?

Which two statements are true about the tools used to configure Oracle Net Services?

Examine the description of the CUSTOMERS table: You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit is below 1000 Examine this partial query SELECT cust_last_name, cust_credit_limit FROM customers Which two WHERE conditions give the required result?

Which two statements are true about UNDO and REDO?

Which two statements are true about Enterprise Manager(EM)Express?

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