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NEW QUESTION 21
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 22
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. COLUMN STORE COMPRESS FOR QUERY LOW
- B. ROW STORE COMPRESS BASIC
- C. ROW STORE COMPRESS ADVANCED
- D. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- E. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
Answer: C
NEW QUESTION 23
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
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 24
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. Employees 100 and 200 will have the same JOB_ID as before the update command
- B. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
- C. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- D. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
- E. Employees 100 and 200 will have the same SALARY as before the update command
- F. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
Answer: C,F
NEW QUESTION 25
Which statement is true about aggregate functions?
- A. Aggregate functions can be used in any clause of a SELECT statement
- B. The MAX and MIN functions can be used on columns with character data types
- C. Aggregate functions can be nested to any number of levels
- D. The AVG function implicitly converts NULLS to zero
Answer: B
NEW QUESTION 26
Which three statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose three.)
- A. A single transaction may use multiple undo segments simultaneously
- B. Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment
- C. Undo segments must be stored in a BIGFILE tablespace
- D. Undo segments can extend when a transaction fills the last extent of the undo segment
- E. Undo segments must be stored in a SMALLFILE tablespace
- F. Undo segments have a minimum of three extents
- G. An undo segment may be used by multiple transactions simultaneously
Answer: D,E,G
NEW QUESTION 27
Which two are true about complete recovery? (Choose two.)
- A. It is possible only when the database is in MOUNT state
- B. The database must have FLASHBACK enabled in order to perform it.
- C. Only RMAN backupsets can be used to restore a database as part of it.
- D. Incremental backups can be used to roll forward the database while performing it.
- E. Uncommitted transactions will be rolled back after it completes.
Answer: A,B
NEW QUESTION 28
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:
Explanation/Reference: https://gerardnico.com/db/oracle/trace_file
NEW QUESTION 29
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Connect Time Failover requires the connect string to have two or more listener addresses configured
- B. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- C. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
- D. Load Balancing requires the use of a name server
- E. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
- F. Source Routing requires the use of a name server
Answer: A,C,F
Explanation:
https://docs.oracle.com/cd/E11882_01/network.112/e41945/advcfg.htm#NETAG013
NEW QUESTION 30
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:
2017/3/6 14:45:17
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. Drop other U1 objects in DATA
- B. Add a data file to DATA
- C. Set DEFERRED_SEGMENT_CREATION to TRUE
- D. Grant UNLIMITED TABLESPACE to U1
- E. Set AUTOEXTEND ON for data files in DATA
- F. Increase U1's quota sufficiently in DATA
Answer: A,D,F
NEW QUESTION 31
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. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
- B. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
- C. The LREG process registers services dynamically with the LISTENER_1 listener
- D. Dynamic service registration cannot be used for this database instance
- E. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
Answer: C
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 32
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), `MON'), `dd "Monday for"
fmMonth rrrr')
What is the result?
- A. It returns the date for the first Monday of the next month
- B. It returns the date for the last Monday of the current month
- C. It executes successfully but does not return any result
- D. It generates an error
Answer: A
NEW QUESTION 33
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBS tablespace? (Choose two.)
- A. It must be bigger than the largest SMALLFILE tablespace
- B. Additional data files may not be added
- C. AUTOEXTEND is possible for the datafile
- D. It will be a dictionary-managed tablespace by default
- E. It will always have a 32K blocksize
Answer: B,C
NEW QUESTION 34
Which statement is true about aggregate functions?
- A. Aggregate functions can be nested to any number of levels
- B. Aggregate functions can be used in any clause of a SELECT statement
- C. The MAX and MIN functions can be used on columns with character data types
- D. The AVG function implicitly converts NULLS to zero
Answer: A
NEW QUESTION 35
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 SYS in both the databases
- D. as SCOTT in BOSTON_DB
- E. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
Answer: D
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_concepts002.htm#ADMIN12085 Database links are either private or public. If they are private, then only the user who created the link has access; if they are public, then all database users have access.
https://docs.oracle.com/database/121/SQLRF/statements_5006.htm#SQLRF01205
NEW QUESTION 36
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