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NEW QUESTION # 80
The customers table has a cust_last_name column of data type varchar2.
The table has two rows whose "jst_last_name values are Andersen and Ausson.
Which query produces output for cust_last_xame containing Oder for the first row and Aus for the second?
- A. SELECT REPLACE(REPLACE(cust_last_name, 'son', ''), 'An', 'O'> FROM customers;
- B. SELECT REPLACE(SUBSTR(cust_last_name, -3), 'An', 'O') FROM customers;
- C. SELECT INITCAP (REPLACE(TRIM('son' FROM cust_last_name), 'An', 'O*)) FROM customers;
- D. SELECT REPLACE<TRIM<TRAILING 'son* FROM cust_last_name), 'An', *O'> FROM customers;
Answer: D
NEW QUESTION # 81
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. Data block free space is always contiguous in the middle of the block
- B. A table row piece can be chained across several database blocks
- C. Data block headers contain their own Data Block Address (DBA)
- D. Multiple row pieces from the same row may be stored in the same block
- E. Index block free space is always contiguous in the middle of the block
- F. Multiple row pieces from the same row may be stored in different database blocks
Answer: B,C,F
Explanation:
Reference:
https://antognini.ch/2016/10/whats-the-difference-between-row-migration-and-row-chaining/
NEW QUESTION # 82
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
- A. two or more instances on separate servers all associated with one database
- B. one instance on one server associated with one database
- C. one instance on one server associated with two or more databases on separate servers
- D. one instance on one server associated with two or more databases on the same server
- E. one instance on one server not associated with any database
Answer: C,D,E
NEW QUESTION # 83
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The + binary operator has the highest precedence in an expression in a SQL statement
- B. NULLS influence the precedence of operators in an expression
- C. Multiple parentheses can be used to override the default precedence of operators in an expression
- D. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- E. The concatenation operator | | is always evaluated before addition and subtraction in an expression
Answer: A,C
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
NEW QUESTION # 84
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. UNION
- C. SUBTRACT
- D. MINUS
- E. INTERSECT
Answer: D
NEW QUESTION # 85
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. Execute DDL statements in the HR schema
- B. Revoke the CREATE SESSION privilege from user HR
- C. Log in to the database instance
- D. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- E. Execute DML statements in the HR schema
- F. Revoke the CREATE SESSION privilege from other users
Answer: C,D,F
Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION # 86
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)
- A. The control file is read
- B. The Oracle background processes are started
- C. The alert log records the execution details
- D. The online data files are opened
- E. The initialization parameter file is read
- F. The online redo logs are opened
Answer: A,C
Explanation:
http://facedba.blogspot.com/2014/07/oracle-database-startup-stages-and.html
NEW QUESTION # 87
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 BOSTON_DB and SYS in DALLAS_DB
- B. as SYS in both the databases
- C. as SCOTT in both the databases
- D. as SCOTT in DALLAS_DB
- E. as SCOTT in BOSTON_DB
Answer: B
NEW QUESTION # 88
Which is true about roles?
- A. A role can be password-protected only if it has been granted system privileges.
- B. All roles belong to the SYSTEM schema.
- C. Roles containing object privileges can be created only by the object owner.
- D. A role can be granted to other roles.
- E. Roles can be created only by SYS or SYSTEM.
Answer: A
NEW QUESTION # 89
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. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- 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_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- D. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
Answer: A,D
NEW QUESTION # 90
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:
What must you do so that KING is authenticated by the OS when connecting to the database instance?
- A. Have the OS administrator add KING to the OSDBA group
- B. Grant DBA to KING
- C. Unset REMOTE_LOGIN_PASSWORDFILE
- D. Set OS_AUTHENT_PREFIX to OPS$
- E. Alter user KING to be IDENTIFIED EXTERNALLY
Answer: D
Explanation:
https://oracle-base.com/articles/misc/os-authentication
NEW QUESTION # 91
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)
- A. 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
- B. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- C. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- D. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- E. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
Answer: B,D
NEW QUESTION # 92
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 IS NOT NULL
AND cust_credit_limit IS NOT NULL; - C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount != NULL; - D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND cust_credit_level !=NULL; - E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> NULL;
Answer: B
NEW QUESTION # 93
You start your database instance in NOMOUNT state. Which two actions are performed?
- A. The control files are opened.
- B. SYS can access the database.
- C. Memory is allocated for the SG1
- D. All required background processes are started.
- E. The consistency of the database is checked.
Answer: C,D
NEW QUESTION # 94
Which three are types of segments in an Oracle Database? (Choose three.)
- A. clusters
- B. tables
- C. index
- D. stored procedures
- E. undo
- F. sequences
Answer: A,B,C
Explanation:
Explanation/Reference: http://www.adp-gmbh.ch/ora/concepts/segments.html
NEW QUESTION # 95
Which two statements are true about the Oracle Data Dictionary?
- A. All data dictionary view joins base tables to dynamic performance views.
- B. It is owned by the system user.
- C. Data dictionary base tables can be queried directly.
- D. It is owned by the sys user.
- E. Data dictionary views are always created with queries that join two or more base tables.
Answer: C,D
NEW QUESTION # 96
Examine this command and some partial output:
Why does the DB01.abc.com service show unknown status?
- A. The listener is not listening on the default port 1521
- B. The service DB01.abc.com is dynamically registered
- C. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- D. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- E. The service DB01.abc.com is statically registered
Answer: E
NEW QUESTION # 97
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