1Z1-082 Dumps - Grab Out For [NEW-2023] Oracle Exam
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NEW QUESTION 37
Which three failures require intervention for recovery? (Choose three.)
- A. statement failure
- B. a user error such as dropping the wrong table
- C. media failure
- D. network interface card (NIC) failure
- E. user process failure
Answer: B,C,E
NEW QUESTION 38
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)
- A. Revoke the CREATE SESSION privilege from other users
- B. Log in to the database instance
- C. Execute DML statements in the HR schema
- D. Revoke the CREATE SESSION privilege from user HR
- E. Execute DDL statements in the HR schema
- F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
Answer: A,B,F
NEW QUESTION 39
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. 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 LOW
- D. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
- E. ROW STORE COMPRESS ADVANCED
Answer: E
Explanation:
Explanation/Reference: https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-
12c-1896128.pdf
NEW QUESTION 40
Which three statements are true about time zones, date data types, and timestamp data types in an Oracle database? (Choose three.)
- A. The CURRENT_TIMESTAMP function returns data without time zone information
- B. The DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
- C. A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row
- D. The SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
- E. A TIMESTAMP data type column contains information about year, month, and day
Answer: A,B,D
NEW QUESTION 41
The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations.
Each database has a tnsnames.ora file defining DALLAS_DB as a service name.
Examine this command:
CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING
`dallas_db';
How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
- A. as SCOTT in both the databases
- B. as SCOTT in DALLAS_DB
- C. as SCOTT in BOSTON_DB
- D. as SYS in both the databases
- E. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
Answer: D
NEW QUESTION 42
Which two are true about shrinking a segment online? (Choose two.)
- A. It always eliminates all migrated rows if any exist in the table
- B. To shrink a table it must have a UNIQUE KEY constraint
- C. To shrink a table it must have a PRIMARY KEY constraint
- D. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- E. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- F. To shrink a table it must have row movement enabled
Answer: C,F
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION 43
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:
Which statement is true?
- A. Dynamic service registration cannot be used for this database instance
- B. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
- C. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
- D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
- E. The LREG process registers services dynamically with the LISTENER_1 listener
Answer: E
Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.
Reference:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION 44
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. UNION ALL
- B. SUBTRACT
- C. MINUS
- D. UNION
- E. INTERSECT
Answer: C
NEW QUESTION 45
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to switch a database into ARCHIVELOGMODE
- B. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- C. It can be used to perform database recovery
- D. It is available only when the database is open
- E. The same port number can be used for Database Express configurations for databases on different hosts
Answer: A,B
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with- database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5
NEW QUESTION 46
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
Be stored in a format supporting date arithmetic without using conversion functions Store a loan period of up to 10 years Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
- A. TIMESTAMP
- B. INTERVAL DAY TO SECOND
- C. TIMESTAMP WITH LOCAL TIMEZONE
- D. INTERVAL YEAR TO MONTH
- E. TIMESTAMP WITH TIMEZONE
Answer: B
NEW QUESTION 47
Which two statements are true regarding Oracle database space management within blocks managed by Automatic Segment Space Management (ASSM)? (Choose two.)
- A. A block will always be eligible for inserts if the row is short enough to fit into the block
- B. Insert operations always attempt to find blocks with free space appropriate to the length of the row being inserted
- C. Update operations always attempt to find blocks with free space appropriate to the length of the row being updated
- D. ASSM assigns blocks to one of four fullness categories based on what percentage of the block is allocated for rows
- E. PCTFREE defaults to 10% for all blocks in all segments for all compression methods
Answer: A,C
NEW QUESTION 48
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:
Which statement is true?
- A. Dynamic service registration cannot be used for this database instance
- B. The LREG process registers services dynamically with the LISTENER_1 listener
- C. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
- D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
- E. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
Answer: E
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION 49
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. It terminates
- B. You can no longer monitor it
- C. It is paused and can be resumed
- D. You can reattach to it and monitor it
- E. It continues to run in the background
Answer: A,B
NEW QUESTION 50
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 the initial extends of all tables they plan to create in their schema
- 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 their quota on the users tablespace removed
- D. The sales user must have been granted the CREATE SESSION privilege
- E. The sales user must have been granted the CREATE TABLE privilege
- F. The sales user must have a quota on the TEMP tablespace
Answer: A,C,E
NEW QUESTION 51
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:
Which two statements are true? (Choose two.)
- A. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- B. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- C. Employees 100 and 200 will have the same JOB_ID as before the update command
- D. Employees 100 and 200 will have the same SALARY as before the update command
- E. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
- F. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
Answer: B,F
NEW QUESTION 52
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Change the standard block size of an existing database
- B. Configure incremental backups for a new database
- C. Configure a nonstandard block size for a new database
- D. Register a new database with an available Enterprise Manager Management server
- E. Enable flashback database for an existing database
Answer: C,D
NEW QUESTION 53
What is true about non-equijoin statement performance? (Choose two.)
- A. The join syntax used makes no difference to performance
- B. Table aliases can improve performance
- C. The BETWEEN condition always performs better than using the >= and <= conditions
- D. The BETWEEN condition always performs less well than using the >= and <= conditions
- E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
Answer: B,E
Explanation:
Explanation
NEW QUESTION 54
What is true about non-equijoin statement performance? (Choose two.)
- A. The join syntax used makes no difference to performance
- B. Table aliases can improve performance
- C. The BETWEEN condition always performs better than using the >= and <= conditions
- D. The BETWEEN condition always performs less well than using the >= and <= conditions
- E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
Answer: B,E
NEW QUESTION 55
You currently have an active transaction in your session and have been granted select access to vstransaction.
In which three situations will re-executing this query still return a row but with a different XID, indicating a new transaction has started?
- A. after successfully executing a commit or rollback followed by a select statement
- B. after successfully executing a create table as select statement followed by a select for update statement
- C. after successfully executing a DML statement following a failed DML statement
- D. after successfully executing a create table statement followed by a create index statement
- E. after successfully executing a truncate statement followed by a DML statement
- F. after successfully executing a commit or rollback followed by a DML statement
Answer: B,E,F
NEW QUESTION 56
Examine this command:
Which two statements are true? (Choose two.)
- A. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
- B. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- C. The file is renamed and stored in the same location
- D. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- E. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
Answer: C,D
NEW QUESTION 57
......
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