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最新的 Oracle Database 19c 1Z0-082 免費考試真題 (Q91-Q96):

問題 #91
Examine this command:
SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT
Which two statements are true?

A. The shrink operation causes rows to be moved to empty space starting toward the end of the orders segment.
B. The high-water mark (HWM) of orders is adjusted.
C. Only queries are allowed on ORDERS while the shrink is executing.
D. The shrink operation causes rows to be moved to empty space starting from the beginning of the orders segment.
E. Dependent indexes become UNUSABLE.
F. Queries and DML statements are allowed on ORDERS while the shrink is executing.

答案：D,F

問題 #92
Which two statements are true?

A. SALES1 is created with 1 row.
B. SALES1 is created with 55,000 rows.
C. SALES1 has not NULL constraints on any selected columns which had those constraints in the sales table.
D. SALES1 is created with no rows.
E. SALES1 has primary key and unique constraints on any selected columns which had those constraints in the sales table.

答案：B,C

問題 #93
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. MOD : returns the quotient of a division operation
C. CEIL : can be used for positive and negative numbers
D. TRUNC : can be used with NUMBERand DATEvalues
E. CONCAT : can be used to combine any number of values

答案：B,D

解題說明：
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row- Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C

問題 #94
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. Increase U1's quota sufficiently in DATA
B. Set AUTOEXTEND ON for data files in DATA
C. Set DEFERRED_SEGMENT_CREATION to TRUE
D. Add a data file to DATA
E. Grant UNLIMITED TABLESPACE to U1
F. Drop other U1 objects in DATA

答案：A,E,F

問題 #95
Which four account management capabilities can be configured using Oracle profiles? (Choose four.)

A. the number of password changes required within a period of time before a password can be reused
B. the maximum amount of CPU time allowed for a user's sessions before their account is locked
C. the number of days for which an account may be inactive before it is locked
D. the maximum number of sessions permitted for a user before the account is locked
E. the number of hours for which an account is locked after the configured number of login attempts has been reached
F. the number of days for which an account is locked after the configured number of login attempts has been reached
G. the ability to prevent a password from ever being reused

答案：A,E,F,G

問題 #96
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