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NEW QUESTION 80
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. Employees 100 and 200 will have the same JOB_ID as before the update command
- C. Employees 100 and 200 will have the same SALARY as before the update command
- D. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
- E. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- F. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
Answer: A,E
NEW QUESTION 81
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)
- A. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
- C. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- D. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
- E. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- F. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
Answer: D,E,F
Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefdeclaretemptable.html
NEW QUESTION 82
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
- B. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
- C. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
- D. SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
Answer: A
NEW QUESTION 83
Which two statements are true about single row functions? (Choose two.)
- A. FLOOR : returns the smallest integer greater than or equal to a specified number
- B. CONCAT : can be used to combine any number of values
- C. MOD : returns the quotient of a division operation
- D. CEIL : can be used for positive and negative numbers
- E. TRUNC : can be used to combine any number of values
Answer: C,E
NEW QUESTION 84
Examine this command:
Which two statements are true? (Choose two.)
- A. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
- B. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
- C. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- D. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- E. The file is renamed and stored in the same location
Answer: B,C
NEW QUESTION 85
A script abc.sql must be executed to perform a job.
A database user HR, who is defined in this database, executes this command:
$ sqlplus hr/hr@orcl @abc.sql
What will happen upon execution?
- A. The command succeeds and HR will be connected to the orcl and abc.sql databases
- B. The command fails because the script must refer to the full path name
- C. The command fails and reports an error because @ is used twice
- D. The command succeeds and HR will be connected to the orcl database instance, and the abc.sql script will be executed
Answer: D
Explanation:
Explanation
NEW QUESTION 86
Which three statements are true about the naming methods and their features supported by Oracle database used to resolve connection information?
- A. Easy Connect supports TCP/IP and SSL.
- B. Local Naming requires setting the TNS_ADMIN environment variable on the client side.
- C. A client can connect to an Oracle database instance even If no client side network admin has been configured.
- D. Directory Naming can be used if Connect-Time Failover is required.
- E. Local naming can be used if Connect-Time Failover Is required.
- F. Directory Naming requires setting the TNS_ADMIN environment variable on the client side.
Answer: C,E,F
NEW QUESTION 87
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It generates a sql script that it uses to load data from EMP.DAT to EMP
- B. It appends data from EMP.DAT to EMP
- C. It uses the database buffer cache to load data
- D. It overwrites data in EMP with data in EMP.DAT
- E. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
Answer: A,C
NEW QUESTION 88
Examine these commands:
Which two statements are true about the sqlldrexecution? (Choose two.)
- A. It generates a sql script that it uses to load data from EMP.DAT to EMP
- B. It appends data from EMP.DAT to EMP
- C. It uses the database buffer cache to load data
- D. It overwrites data in EMP with data in EMP.DAT
- E. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
Answer: A,C
NEW QUESTION 89
Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)
- A. receiving inbound requests from processes using shared server connections
- B. checking for outbound shared server responses on the common outbound response queue
- C. sending each connection input request to the appropriate shared server input queue
- D. broadcasting shared server session responses back to requesters on all connections
- E. sending shared server session responses back to requesters on the appropriate connection
- F. writing inbound request to the common request queue from all shared server connections
Answer: A,C,F
NEW QUESTION 90
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 ADVANCED
- B. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
- C. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- D. ROW STORE COMPRESS BASIC
- E. COLUMN STORE COMPRESS FOR QUERY LOW
Answer: A
NEW QUESTION 91
Which two statements are true about Database Instances and Real Application Clusters (RAC)?
- A. A RAC database can have instances on separate servers.
- B. A RAC database can have one Instance.
- C. A RAC database must have two or more instances.
- D. Two RAC databases can share their instances.
- E. A RAC database must have three or more Instances.
Answer: A,B
NEW QUESTION 92
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. Enable flashback database for an existing database
- D. Configure a nonstandard block size for a new database
- E. Register a new database with an available Enterprise Manager Management server
Answer: A,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION 93
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. Enable flashback database for an existing database
- D. Configure a nonstandard block size for a new database
- E. Register a new database with an available Enterprise Manager Management server
Answer: A,E
Explanation:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION 94
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- C. Multiple parentheses can be used to override the default precedence of operators in an expression
- D. The + binary operator has the highest precedence in an expression in a SQL statement
- E. NULLS influence the precedence of operators in an expression
Answer: B,C
Explanation:
Reference:
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.
NEW QUESTION 95
Which three statements are true about using SQL*Plus?
- A. It can run scripts entered at the SQL prompt.
- B. It has its own commands that are separate from any SQL statements.
- C. It can run scripts passed to it by a shell script.
- D. It can run Recovery Manager (RMAN) commands.
- E. It has both command-line and graphical user interfaces (GUI).
- F. It must be downloaded from the Oracle Technology Network (OTN).
Answer: A,B,F
NEW QUESTION 96
In your data center, Oracle Managed Files (OMF) is used for all databases.
All tablespaces are smallfile tablespaces.
SALES_Q1 is a permanent user-defined tablespace in the SALES database.
Examine this command which is about to be issued by a DBA logged in to the SALES database:
ALTER TABLESPACE sales_q1 ADD DATAFILE;
Which are two actions, either one of which you could take to ensure that the command executes successfully?
(Choose two.)
- A. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- B. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
- C. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- D. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- E. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
Answer: A,E
NEW QUESTION 97
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