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Latest Update Oracle 1Z0-083 Exam Practice Questions and Answers Online Test

QUESTION 1
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
A. using Database Replay
B. using SQL Developer
C. using Oracle Data Pump
D. using operating system file copy utilities
E. using Database Upgrade Assistant
F. using the CREATE TABLE AS SELECT SQL statement
Correct Answer: DEF

 

QUESTION 2
Which three are true about requirements for various FLASHBACK operations? (Choose three.)
A. FLASHBACK transaction query requires to undo to retrieve all versions of a row that existed between two points in
time.

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Latest Update Oracle 1Z0-082 Exam Practice Questions and Answers Online Test

QUESTION 1
Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)
A. Duplicates are eliminated automatically by the UNION ALL operator
B. The number of columns selected in each SELECT statement must be identical
C. The names of columns selected in each SELECT statement must be identical
D. The output is sorted by the UNION ALL operator
E. NULLS are not ignored during duplicate checking
Correct Answer: BE

 

QUESTION 2
Which three statements are true about undoing segments and the use of undo by transactions in an Oracle database
instance? (Choose three.)
A. An undo segment may be used by multiple transactions simultaneously
B. Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment
C. Undo segments have a minimum of three extents
D. Undo segments can extend when a transaction fills the last extent of the undo segment
E. A single transaction may use multiple undo segments simultaneously
F. Undo segments must be stored in a big file tablespace
G. Undo segments must be stored in a SMALL FILE tablespace
Correct Answer: ADG

 

QUESTION 3
Examine this description of the TRANSACTIONS table:[2021.1] lead4pass 1z0-082 practice test q3

Which two SQL statements execute successfully? (Choose two.)
A. SELECT customer_id AS “CUSTOMER-ID”, transaction_date AS DATE, amount + 100 “DUES” FROM transactions;

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Latest Update Oracle 1Z0-071 Exam Practice Questions and Answers Online Test

QUESTION 1
Which two statements are true regarding constraints? (Choose two)
A. A constraint isenforced only for an INSERT operation on a table.

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Latest Oracle 1Z0-920 Exam Practice Questions and Answers

QUESTION 1
Which two statements are true about MySQL Enterprise Firewall?

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Latest Oracle 1z0-071 Exam Practice Questions and Answers

QUESTION 1
Examine the description of the BOOKS_TRANSACTIONS table:

lead4pass 1z0-071 exam questions q1

Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHERE conditions give the same result?

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