Free Access Oracle.1Z0-082.v2022-07-18.q111 Practice Test (Page 16)

Question 71

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.Sequence ORD_SEQ is guaranteed not to generate duplicate numbers

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.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

Question 72

Which two statements are true about single row functions? (Choose two.)

A.MOD : returns the quotient of a division operation

B.FLOOR : returns the smallest integer greater than or equal to a specified number

C.TRUNC : can be used with NUMBER and DATE values

D.CONCAT : can be used to combine any number of values

E.CEIL : can be used for positive and negative numbers

Question 73

In one of your databases, the user HR has the password HRMGR.
You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?

A.It must resolve to a valid connect descriptor in the server's tnsnames.ora file

B.It must be the name of the server running the database to whose instance HR wishes to connect

C.It must be the name of the database to whose instance HR wishes to connect

D.It must be the value of the SERVICE_NAMES parameter on the client side

E.It must resolve to a valid connect descriptor in the client's tnsnames.ora file

Question 74

Examine the description of the SALES1 table:

SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?

A.UNION ALL

B.UNION

C.MINUS

D.INTERSECT

E.SUBTRACT

Question 75

Which two can you use to recover a dropped table? (Choose two.)

A.FLASHBACK DROP

B.FLASHBACK TRANSACTION

C.FLASHBACK QUERY

D.FLASHBACK TABLE TO SCN

E.FLASHBACK DATABASE

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Question 71

Question 72

Question 73

Question 74

Question 75

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