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Latest Oracle 1Z0-082 Practice Test Questions, Oracle Database Administration I Exam Dumps
Achieving an Oracle 1Z0-082 certification is a valuable achievement for database administrators. It demonstrates a high level of proficiency in managing and maintaining Oracle database systems, which is a critical skill set in today's IT landscape. With the right preparation and dedication, candidates can pass the exam and advance their careers in database administration.
Oracle 1Z0-082 exam is a part of the Oracle Database 19c certification path. Oracle Database Administration I certification is highly respected in the industry and is recognized worldwide. It is an essential certification for anyone who wants to advance their career as a database administrator. Oracle Database Administration I certification shows that the candidate has the knowledge and skills required to manage and maintain Oracle databases and related infrastructure.
NEW QUESTION # 14
Examine this command:
Which two statements are true? (Choose two.)
- A. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- B. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
- C. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
- D. The file is renamed and stored in the same location
- E. DML may be performed on tables with one or more extents in this data file during the execution of this command.
Answer: D,E
NEW QUESTION # 15
Which three are types of segments in an Oracle Database? (Choose three.)
- A. undo
- B. tables
- C. index
- D. sequences
- E. clusters
- F. stored procedures
Answer: A,B,E
NEW QUESTION # 16
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100
- A. DUES FROM transactions;
SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + - B. 100 "DUES AMOUNT" FROM transactions;
SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM - C. transactions;
SELECT customer_id AS 'CUSTOMER-ID', transaction_date AS DATE, amount + 100 - D. "DUES" FROM transactions;
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 - E. 'DUES AMOUNT' FROM transactions;
Answer: A,C
NEW QUESTION # 17
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 their quota on the users tablespace removed
- B. 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
- 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 a quota on the TEMP tablespace
- E. The sales user must have been granted the CREATE TABLE privilege
- F. The sales user must have been granted the CREATE SESSION privilege
Answer: A,C,E
NEW QUESTION # 18
Which two statements are true regarding a SAVEPOINT? (Choose two.)
- A. Only one SAVEPOINT may be issued in a transaction
- B. Rolling back to a SAVEPOINT can undo a TRUNCATE statement
- C. Rolling back to a SAVEPOINT can undo a CREATE INDEX statement
- D. A SAVEPOINT does not issue a COMMIT
- E. Rolling back to a SAVEPOINT can undo a DELETE statement
Answer: D,E
NEW QUESTION # 19
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. They can be written by background processes
- B. All trace files contain error information that require contacting Oracle Support
- C. Trace file names are based on the database name concatenated with a sequential number
- D. They can be written by server processes
- E. Trace files are written to the Fast Recovery Area (FRA)
Answer: A,D
Explanation:
Reference:
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 # 20
Examine the description of the PRODUCT_STATUS table:
The status column contains the values 'in stock' or 'out of stock' for each row.
Which two queries will execute successfully?
- A. SELECT prod_id I I q' (*s not available)' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK
- B. SELECT prod_id I I q' ('s not available) * 'CURRENT AVAILABILITY' FROM product_status WHERE status = 'OUT OF STOCK
- C. SELECT prod_id Il q"'s not available" FROM product_status where status = 'OUT OF STOCK';
- D. SELECT prod_id q's not available" FROM product_status WHERE status = 'OUT OF STOCK*;
- E. SELECT prod_id "CURRENT AVAILABILITY" II q'<'s not available)' FROM product_status WHERE status = 'OUT OF STOCK
- F. SELECT prod_id II q'l's not available)' FROM product_status WHERE status = 'OUT OF STOCK';
Answer: A,F
NEW QUESTION # 21
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)
- A. AUTOEXTEND is possible for the datafile
- B. It will always have a 32K blocksize
- C. It must be bigger than the largest SMALLFILE tablespace
- D. It will be a dictionary-managed tablespace by default
- E. Additional data files may not be added
Answer: A,C
NEW QUESTION # 22
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. They can be written by background processes
- B. All trace files contain error information that require contacting Oracle Support
- C. Trace file names are based on the database name concatenated with a sequential number
- D. They can be written by server processes
- E. Trace files are written to the Fast Recovery Area (FRA)
Answer: A,D
Explanation:
Explanation/Reference: https://gerardnico.com/db/oracle/trace_file
NEW QUESTION # 23
Examine the description of the employees table:
Which query requires explicit data type conversion?
- A. SELECT join_date + '20' FROM employees; SELECT salary * '120.50' FROM employees;
- B. SELECT join_date I I ' ' II salary FROM employees;
- C. SELECT SUBSTR<join_date, 1, 2) - 10 FROM employees;
- D. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
Answer: D
NEW QUESTION # 24
Which two are true about shrinking a segment online? (Choose two.)
- A. To shrink a table it must have a PRIMARY KEY constraint
- B. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- E. To shrink a table it must have row movement enabled
- F. It always eliminates all migrated rows if any exist in the table
Answer: A,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 25
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)
- A. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- B. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- C. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- D. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- E. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO
Answer: A,D
NEW QUESTION # 26
You want to use table compression suitable for OLTP that will:
Compress rows for all DML statements on that table
Minimize the overheads associated with compression
Which compression option is best suited for this?
- A. ROW STORE COMPRESS BASIC
- B. COLUMN STORE COMPRESS FOR QUERY LOW
- C. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
- D. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- E. ROW STORE COMPRESS ADVANCED
Answer: E
Explanation:
Reference:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-12c-1896128.pdf
NEW QUESTION # 27
The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the wee.
Which query can be used?
- A. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
- B. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- C. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
- D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
Answer: C
NEW QUESTION # 28
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?
- A. SUBTRACT
- B. INTERSECT
- C. MINUS
- D. UNION
- E. UNION ALL
Answer: C
NEW QUESTION # 29
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)
- A. V$SESSION_WAIT
- B. V$SESSION_EVENT
- C. V$SESSION_WAIT_CLASS
- D. V$SESSION
- E. V$SYSTEM_EVENT
Answer: A,B
NEW QUESTION # 30
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