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NEW QUESTION 44
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. Multiple parentheses can be used to override the default precedence of operators in an expression
- B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- C. NULLS influence the precedence of operators in an expression
- D. The + binary operator has the highest precedence in an expression in a SQL statement
- E. The concatenation operator | | is always evaluated before addition and subtraction in an expression
Answer: A,B
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 45
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 with NUMBERand DATEvalues
Answer: C,E
Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row- Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C
NEW QUESTION 46
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 Oracle background processes are started
- B. The alert log records the execution details
- C. The initialization parameter file is read
- D. The control file is read
- E. The online redo logs are opened
- F. The online data files are opened
Answer: B,D
Explanation:
http://facedba.blogspot.com/2014/07/oracle-database-startup-stages-and.html
NEW QUESTION 47
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. CEIL : can be used for positive and negative numbers
- C. TRUNC : can be used with NUMBER and DATE values
- D. CONCAT : can be used to combine any number of values
- E. MOD : returns the quotient of a division operation
Answer: B,C
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row-Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C
NEW QUESTION 48
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)
- A. It is a locally managed tablespace
- B. It must be smaller than the smallest BIGFILE tablespace
- C. Free space is managed using freelists
- D. It uses the database default blocksize
- E. Any data files added to the tablespace must have a size of 5 gigabytes
Answer: A,D
NEW QUESTION 49
Which two actions can you perform using DBCA for an existing database?
- A. Create nonstandard block size tablespaces.
- B. Create a template that can be used to clone the database.
- C. Change the character set.
- D. Create an additional listener.
- E. Change the server mode from dedicated to shared, and vice versa.
Answer: C,E
NEW QUESTION 50
Which statement is true about smallfile tablespaces?
- A. The number of data files is constrained only by the size of the storage array.
- B. Extent location metadata is stored in the data dictionary by default.
- C. Maximum file size can be set to unlimited only if the logical volume manager supports striping.
- D. Segments can span multiple tablespaces.
- E. Segments can span multiple data files.
Answer: E
NEW QUESTION 51
Which three statements are true about the DESCRIBE command? (Choose three.)
- A. It displays the NOT NULL constraint for any columns that have that constraint
- B. It can be used to display the structure of an existing view
- C. It displays the PRIMARY KEY constraint for any column or columns that have that constraint
- D. It can be used only from SQL *Plus
- E. It can be used from SQL Developer
- F. It displays all constraints that are defined for each column
Answer: A,B,D
NEW QUESTION 52
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 file is renamed and stored in the same location
- C. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- D. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- E. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
Answer: D,E
NEW QUESTION 53
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 and commits the inserted row
- B. The second ROLLBACK command does nothing
- C. The second ROLLBACK command undoes the insert
- D. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- E. The second ROLLBACK command replays the delete
Answer: A,C
Explanation:
Explanation/Reference:
NEW QUESTION 54
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:
2017-03-06T12:15:17.183438+05:30
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. Grant UNLIMITED TABLESPACE to U1
- B. Drop other U1 objects in DATA
- C. Add a data file to DATA
- D. Set AUTOEXTEND ON for data files in DATA
- E. Increase U1's quota sufficiently in DATA
- F. Set DEFERRED_SEGMENT_CREATION to TRUE
Answer: A,B,E
NEW QUESTION 55
Examine the description of the product_details table:
Which two statements are true?
- A. EXPIRY_ DATE cannot be used in arithmetic expressions.
- B. PRODUCT_NAKE cannot contain duplicate values.
- C. EXPIRY_ DATE contains the sysdate by default if no date is assigned to it.
- D. PRODUCT _price can be used in an arithmetic expression even if it has no value stored in it.
- E. PRODUCT _ic can be assigned the PRIMARY KEY constraint.
- F. PRODUCT _price contains the value zero by default if no value is assigned to it.
Answer: D,E
NEW QUESTION 56
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- B. Multiple parentheses can be used to override the default precedence of operators in an expression
- C. The + binary operator has the highest precedence in an expression in a SQL statement
- D. NULLS influence the precedence of operators in an expression
- E. The concatenation operator | | is always evaluated before addition and subtraction in an expression
Answer: B,C
NEW QUESTION 57
In which three situations does a new transaction always start? (Choose three.)
- A. when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session
- B. when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session
- C. when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session
- D. when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session
- E. when issuing a TRUNCATE statement after a SELECT statement was issued in the same session
- F. when issuing a DML statement after a DML statement failed in the same session
Answer: B,C,D
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57
NEW QUESTION 58
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
* Be stored in a format supporting date arithmetic without using conversion functions
* Store a loan period of up to 10 years
* Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
- A. TIMESTAMP
- B. INTERVAL DAY TO SECOND
- C. TIMESTAMP WITH TIMEZONE
- D. TIMESTAMP WITH LOCAL TIMEZONE
- E. INTERVAL YEAR TO MONTH
Answer: B
NEW QUESTION 59
......
What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- This exam is offered in only English.
- Section 1: 60%
- Section 2: 45%
- The type of questions is Multiple Choice Questions.
- This exam consists of 90 questions.
- Passing score:
- Section 3: 33%
- Certification Validity period : 3 years.
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle's credential withdrawal.
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