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NEW QUESTION 68
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
- A. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100
"DUES AMOUNT" FROM transactions; - B. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES AMOUNT' FROM transactions;
- C. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;
- D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;
- E. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
Answer: C,D
NEW QUESTION 69
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. It fails because the SCOPE clause is missing
- B. The value is changed for the current instance and in the PFILE
- C. The value is changed only in the PFILE and takes effect at the next instance startup
- D. Change is applied to the current instance, but does not persist after instance restart
Answer: D
Explanation:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION 70
Which three files are used by conventional path SQL*Loader when the TABLE option is not specified? (Choose three.)
- A. bad files
- B. password files
- C. input files
- D. control files
- E. dump files
Answer: A,C,D
NEW QUESTION 71
The ORCL database has RESUMABLE__TIMEOUT = 7200 and
DEFERRED_SEGMENT_CREATION = FALSE
User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017-03-06T12:15:17.183438+05:30
statement in resumable session 'User U1(136), Session 1, Instance 1'
was suspended due to ORA-01536: space quota exceeded for tablespace
'DATA'
Which are three actions any one of which the DBA could take to resume the session? (Choose three.)
- A. Add a data file to DATA
- B. Grant UNLIMITED TABLESPACE to U1
- C. Set DEFERRED_SEGMENT_CREATION to TRUE
- D. Set AUTOEXTEND ON for data files in DATA
- E. Drop other U1 objects in DATA
- F. Increase U1's quota sufficiently in DATA
Answer: C,D,F
NEW QUESTION 72
Which two statements are true about UNDO and REDO? (Choose two.)
- A. DML modifies Oracle database objects and generates UNDO and REDO
- B. DML modifies Oracle database objects and only generates UNDO
- C. The generation of REDO generates UNDO
- D. DML modifies Oracle database objects and only generates REDO
- E. The generation of UNDO generates REDO
Answer: A,E
Explanation:
https://www.experts-exchange.com/articles/13880/UNDO-AND-REDO-IN-ORACLE.html
NEW QUESTION 73
Which two statements are true about space-saving features in an Oracle Database? (Choose two.)
- A. An index that is altered to be UNUSABLE will retain its segment
- B. A table that is truncated will always have its segment removed
- C. Private Temporary Tables (PTTS) store metadata in memory only
- D. If they exist for a session, Private Temporary Tables (PTTs) are always dropped at the next COMMIT OR ROLLBACK statement
- E. An index created with the UNUSABLE attribute has no segment
Answer: D,E
NEW QUESTION 74
The SALES_Q1 and USERS tablespaces exist in one of your databases and TEMP is a temporary tablespace.
Segment creation is not deferred.
You execute this command:
Which three statements must be true so that the SALES user can create tables in SALES_Q1? (Choose three.)
- A. The sales user must have a quota on the SALES_Q1 tablespace to hold all the rows to be inserted into any table in their schema
- B. The sales user must have a quota on the TEMP tablespace
- C. The sales user must have a quota on the SALES_Q1 tablespace to hold the initial extends of all tables they plan to create in their schema
- D. The sales user must have been granted the CREATE SESSION privilege
- E. The sales user must have their quota on the users tablespace removed
- F. The sales user must have been granted the CREATE TABLE privilege
Answer: C,E,F
NEW QUESTION 75
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to perform database recovery
- B. It can be used to switch a database into ARCHIVELOGMODE
- C. The same port number can be used for Database Express configurations for databases on different hosts
- D. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- E. It is available only when the database is open
Answer: B,D
NEW QUESTION 76
Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND due_amount != NULL;
- B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;
- C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND cust_credit_limit IS NOT NULL;
- D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND cust_credit_level !=NULL;
- E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
Answer: C
NEW QUESTION 77
Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND due_amount IS NOT NULL;
- B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level <> NULL AND due_amount <> NULL;
- C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND cust_credit_level !=NULL;
- D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND due_amount != NULL;
- E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND cust_credit_limit IS NOT NULL;
Answer: E
NEW QUESTION 78
Which two statements are true about the PMON background process? (Choose two.)
- A. It registers database services with all local and remote listeners known to the database instance
- B. It kills sessions that exceed idle time
- C. It frees resources held by abnormally terminated processes
- D. It records checkpoint information in the control file
- E. It frees unused temporary segments
Answer: B,C
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
* Performs process recovery when a user process fails - Cleans up the database buffer cache - Frees resources that are used by the user process * Monitors sessions for idle session timeout
NEW QUESTION 79
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It appends data from EMP.DAT to EMP
- B. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- C. It overwrites data in EMP with data in EMP.DAT
- D. It uses the database buffer cache to load data
- E. It generates a sql script that it uses to load data from EMP.DAT to EMP
Answer: D,E
NEW QUESTION 80
Which three statements are true about a self-join? (Choose three.)
- A. The query must use two different aliases for the table
- B. It must be an inner join
- C. The ON clause can be used
- D. It must be an equi join
- E. It can be an outer join
- F. The ON clause must be used
Answer: A,B,C
NEW QUESTION 81
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- B. Multiple parentheses can be used to override the default precedence of operators in an expression
- C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- D. NULLS influence the precedence of operators in an expression
- E. The + binary operator has the highest precedence in an expression in a SQL statement
Answer: B,E
NEW QUESTION 82
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions?
(Choose two.)
- A. invoie_date > '01-02-2019' : uses implicit conversion
- B. qty_sold BETWEEN `101' AND '110' : uses implicit conversion
- C. qty_sold = `0554982' uses implicit conversion
- D. CONCAT (qty_sold, invoice_date) : requires explicit conversion
- E. invoice_date = '15-march-2019' : uses implicit conversion
Answer: B,E
NEW QUESTION 83
Which three failures do not require intervention for recovery? (Choose three.)
- A. media failure
- B. statement failure
- C. network interface card (NIC) failure
- D. user process failure
- E. transaction failure
Answer: B,D,E
NEW QUESTION 84
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- B. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- C. Display the minimum PROD_LIST_PRICE for each product status
- D. Display suppliers whose PROD_LIST_PRICE is less than 1000
- E. Display the total number of products supplied by supplier 102 which have a product status of obsolete
Answer: A,B
NEW QUESTION 85
Examine the description of the BOOKS table:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL); SAVEPOINT a; DELETE FROM books; ROLLBACK TO SAVEPOINT a; ROLLBACK; Which two statements are true? (Choose two.)
- A. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
- B. The second ROLLBACK command does nothing
- C. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- D. The second ROLLBACK command replays the delete
- E. The second ROLLBACK command undoes the insert
Answer: C,E
NEW QUESTION 86
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:
Exhibit 1.
Exhibit 2.
What will be the result?
- A. It gives an error because the GROUP BY clause is not valid
- B. It executes successfully and gives the required result
- C. It executes successfully but does not give the required result
- D. It gives an error because the ALL keyword is not valid
Answer: B
NEW QUESTION 87
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
- A. SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;
- B. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
- C. SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;
- D. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
- E. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
Answer: B,C
NEW QUESTION 88
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. Trace file names are based on the database name concatenated with a sequential number
- B. Trace files are written to the Fast Recovery Area (FRA)
- C. They can be written by background processes
- D. All trace files contain error information that require contacting Oracle Support
- E. They can be written by server processes
Answer: C,E
Explanation:
Reference:
https://gerardnico.com/db/oracle/trace_file
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.
NEW QUESTION 89
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
- A. SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
- B. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
- C. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
- D. SELECT DISTINCT promo_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;
- E. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
Answer: B,C
NEW QUESTION 90
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Online index segment shrink
- B. Online table segment shrink
- C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
- D. Oracle Managed Files (OMF)
- E. Automatic data file extension (AUTOEXTEND)
Answer: C,D,E
NEW QUESTION 91
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Oracle 1z0-082: Oracle Database Administration 1 Exam Certification Path
The Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam. After earning this certification, you will gain the skills of installing, setup, backup and recovering, tuning, and monitoring these components. Self-study courses are great sources for the preparation of the Exam, but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
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