New 2023 Guaranteed Success with Actualtests4sure 1Z0-082 Dumps Oracle PDF Questions
Exceptional Practice To Oracle Database Administration I Pass the First Time
Oracle 1Z0-082: Oracle Database Administration I is a certification exam designed for IT professionals who are interested in pursuing a career in database administration. 1Z0-082 exam is an excellent opportunity for individuals who want to validate their skills and knowledge in managing and maintaining the Oracle Database.
Oracle 1Z1-082 certification exam is a globally recognized certification that validates the candidate's skills and knowledge in Oracle database administration. Oracle Database Administration I certification is designed for professionals who are responsible for managing and maintaining Oracle databases. Oracle Database Administration I certification demonstrates the candidate's ability to perform tasks such as database installation, configuration, backup and recovery, and performance tuning. Oracle Database Administration I certification also shows the candidate's ability to troubleshoot and resolve issues related to Oracle databases.
Oracle 1Z0-082 certification is highly valued in the IT industry, as it demonstrates an individual's expertise in managing Oracle databases. Oracle Database Administration I certification is recognized globally and is a testament to the candidate's commitment to their profession. It is an essential qualification for anyone who wants to pursue a career in database administration.
NEW QUESTION # 49
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. NULLS influence the precedence of operators in an expression
- C. The + binary operator has the highest precedence in an expression in a SQL statement
- D. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- E. Multiple parentheses can be used to override the default precedence of operators in an expression
Answer: C,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
NEW QUESTION # 50
Which three activities are recorded in the database alert log? (Choose three.)
- A. non-default database parameters
- B. block corruption errors
- C. deadlock errors
- D. Data Definition Language (DDL) statements
- E. session logins and logouts
Answer: A,B,C
Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/monitoring001.htm#ADMIN11247
NEW QUESTION # 51
Examine this command and some partial output:
Why does the DB01.abc.com service show unknown status?
- A. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- B. The service DB01.abc.com is dynamically registered
- C. The listener is not listening on the default port 1521
- D. The service DB01.abc.com is statically registered
- E. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
Answer: D
NEW QUESTION # 52
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. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- D. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- E. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
Answer: A,B
NEW QUESTION # 53
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. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- C. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- D. NULLS influence the precedence of operators in an expression
- E. Multiple parentheses can be used to override the default precedence of operators in an expression
Answer: C,E
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 # 54
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. A table row piece can be chained across several database blocks
- B. Multiple row pieces from the same row may be stored in the same block
- C. Multiple row pieces from the same row may be stored in different database blocks
- D. Data block headers contain their own Data Block Address (DBA)
- E. Index block free space is always contiguous in the middle of the block
- F. Data block free space is always contiguous in the middle of the block
Answer: A,C,D
Explanation:
Reference:
https://antognini.ch/2016/10/whats-the-difference-between-row-migration-and-row-chaining/
NEW QUESTION # 55
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. Unset REMOTE_LOGIN_PASSWORDFILE
- B. Grant DBA to KING
- C. Alter user KING to be IDENTIFIED EXTERNALLY
- D. Set OS_AUTHENT_PREFIX to OPS$
- E. Have the OS administrator add KING to the OSDBA group
Answer: A
NEW QUESTION # 56
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. Execute DML statements in the HR schema
- C. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- D. Log in to the database instance
- E. Execute DDL statements in the HR schema
- F. Revoke the CREATE SESSION privilege from user HR
Answer: A,C,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION # 57
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 SALARY set to the same value as the SALARY of employee 100
- 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. Employees 100 and 200 will have the same JOB_ID as before the update command
- 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 # 58
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
(Choose two.)
- A. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- B. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- 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. 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 # 59
Examine the description of the customers table:
You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit Is below 1000.
Examine this partial query:
SELECT cust_last_name, cust_credit_limit FROM customers
Which two where conditions give the required result?
A)
C)
D)
E)
- A. Option D
- B. Option E
- C. Option C
- D. Option B
- E. Option A
Answer: B,C
NEW QUESTION # 60
Which statement is true about aggregate functions?
- A. The AVG function implicitly converts NULLS to zero
- B. Aggregate functions can be used in any clause of a SELECT statement
- C. Aggregate functions can be nested to any number of levels
- D. The MAX and MIN functions can be used on columns with character data types
Answer: D
NEW QUESTION # 61
Which two statements are true about the PMON background process? (Choose two.)
- A. It kills sessions that exceed idle time
- B. It records checkpoint information in the control file
- C. It frees resources held by abnormally terminated processes
- D. It registers database services with all local and remote listeners known to the database instance
- E. It frees unused temporary segments
Answer: C,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION # 62
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?
- A. It succeeds and the generated undo is stored in SYSAUX.
- B. It succeeds and the generated undo is stored in SYSTEM.
- C. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- D. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1' ".
- E. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
Answer: E
NEW QUESTION # 63
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It uses the database buffer cache to load data
- B. It appends data from EMP.DAT to EMP
- C. It overwrites data in EMP with data in EMP.DAT
- D. It generates a sql script that it uses to load data from EMP.DAT to EMP
- E. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
Answer: B,E
NEW QUESTION # 64
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