Certification Training for 1Z0-082 Exam Dumps Test Engine [2023]
Jan 18, 2023 Step by Step Guide to Prepare for 1Z0-082 Exam
How to Prepare for Oracle 1z0-082: Oracle Database Administration 1 Exam
Preparation Guide for Oracle 1z0-082: Oracle Database Administration 1 Exam
Introduction
Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle's applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.
Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.
NEW QUESTION 51
Which three statements are true about single-row functions? (Choose three.)
- A. They can accept only one argument
- B. The argument can be a column name, variable, literal or an expression
- C. They return a single result row per table
- D. The data type returned can be different from the data type of the argument
- E. They can be used only in the WHERE clause of a SELECT statement
- F. They can be nested to any level
Answer: B,D,F
Explanation:
https://www.tutorialspoint.com/sql_certificate/using_single_row_functions_questions.htm
NEW QUESTION 52
Which two statements are true about views used for viewing tablespace and datafile information?
(Choose two.)
- A. Tablespace free space can be viewed in V$TABLESPACE
- B. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened
- C. V$TABLESPACE displays information that is contained in the controlfile about tablespaces
- D. V$TABLESPACE displays information about tablespaces contained in the data dictionary
- E. Tablespace free space can be viewed in DBA_TABLESPACES
Answer: B,C
NEW QUESTION 53
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:
Exhibit 1.
Exhibit 2.
What will be the result?
- A. It executes successfully and gives the required result
- B. It gives an error because the ALL keyword is not valid
- C. It executes successfully but does not give the required result
- D. It gives an error because the GROUP BY clause is not valid
Answer: A
NEW QUESTION 54
Which is true about security rules on a compute node?
- A. The port used for HTTPS connections is enabled by default based on a predefined security rule.
- B. New security rules can be defined to use only the TCP protocol but multiple port numbers.
- C. A compute node port can be enabled only if it is associated with an existing security rule.
- D. A new database deployment on a compute node automatically enables a set of predefined security rules.
- E. A security rule can restrict IP addresses that can connect to a database instance on a compute node.
Answer: D
NEW QUESTION 55
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)
- A. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- 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. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- D. 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
- E. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
Answer: A,C
NEW QUESTION 56
Examine the description of the BOOKS table:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL); SAVEPOINT a; DELETE FROM books; ROLLBACK TO SAVEPOINT a; ROLLBACK; Which two statements are true? (Choose two.)
- A. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- B. The second ROLLBACK command does nothing
- C. The second ROLLBACK command replays the delete
- D. The second ROLLBACK command undoes the insert
- E. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
Answer: A,D
NEW QUESTION 57
Which two statements are true about Database Instances and Real Application Clusters (RAC)?
- A. Two RAC databases can share their instances.
- B. A RAC database must have two or more instances.
- C. A RAC database must have three or more Instances.
- D. A RAC database can have instances on separate servers.
- E. A RAC database can have one Instance.
Answer: D,E
NEW QUESTION 58
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. All trace files contain error information that require contacting Oracle Support
- B. Trace files are written to the Fast Recovery Area (FRA)
- C. Trace file names are based on the database name concatenated with a sequential number
- D. They can be written by background processes
- E. They can be written by server processes
Answer: D,E
Explanation:
Reference:
https://gerardnico.com/db/oracle/trace_file
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.
NEW QUESTION 59
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display suppliers whose PROD_LIST_PRICE is less than 1000
- B. Display the minimum PROD_LIST_PRICE for each product status
- C. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- D. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- E. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
Answer: D,E
NEW QUESTION 60
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
SELECT &&col1, &&col2
- A. FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2' - B. FROM &&table
WHERE &condition;
SELECT &col1, &col2 - C. FROM &table
WHERE &&condition; - D. FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2 - E. FROM &table
WHERE '&&condition' = '&cond';
SELECT &&col1, &&col2
Answer: B
NEW QUESTION 61
Which two statements are true about the DUAL table? (Choose two.)
- A. It consists of a single row and single column of VARCHAR2 data type
- B. It can display multiple rows and columns
- C. It can be used to display only constants or pseudo columns
- D. It can display multiple rows but only a single column
- E. It can be accessed only by the SYS user
- F. It can be accessed by any user who has the SELECT privilege in any schema
Answer: A,E
Explanation:
Explanation/Reference: https://en.wikipedia.org/wiki/DUAL_table
NEW QUESTION 62
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
- A. INTERVAL YEAR TO MONTH
- B. TIMESTAMP
- C. INTERVAL DAY TO SECOND
- D. TIMESTAMP WITH LOCAL TIMEZONE
- E. TIMESTAMP WITH TIMEZONE
Answer: C
NEW QUESTION 63
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display suppliers whose PROD_LIST_PRICE is less than 1000
- B. Display the minimum PROD_LIST_PRICE for each product status
- C. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- D. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- E. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
Answer: D,E
NEW QUESTION 64
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. Grant DBA to KING
- B. Unset REMOTE_LOGIN_PASSWORDFILE
- C. Set OS_AUTHENT_PREFIX to OPS$
- D. Have the OS administrator add KING to the OSDBA group
- E. Alter user KING to be IDENTIFIED EXTERNALLY
Answer: C
Explanation:
https://oracle-base.com/articles/misc/os-authentication
NEW QUESTION 65
Examine this description of the books table containing 100 rows:
Now examine this sequence of statements Issued In a new session;
Examine this description of the books table containing 100 rows:
Which three statements are true?
- A. The first RollBack command restores the row that was inserted.
- B. The second rollback command rolls back the rollback to savepoint a command.
- C. The second rollback command restores the 100 rows that were in the table originally.
- D. The first rollback command leaves the table's 100 original rows locked.
- E. The first rollback command leaves the inserted row locked.
- F. The second rollback command restores the row that was inserted.
- G. The first rollback command restores the 100 rows that were in the table originally.
Answer: A,B,F
NEW QUESTION 66
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