Free Access Oracle.1z1-071.v2025-05-13.q352 Practice Test (Page 32)

Question 151

Which two statements are true about sequences created in a single instance Oracle database? (Choose two.)

A.When the MAXVALUElimit for the sequence is reached, it can be increased by using the ALTER SEQUENCEstatement.

B.DELETE <sequencename>would remove a sequence from the database.

C.The numbers generated by an explicitly defined sequence can only be used to insert data in one table.

D.CURRVALis used to refer to the most recent sequence number that has been generated for a particular sequence.

E.When a database instance shuts down abnormally, the sequence numbers that have been cached but not used are available again when the instance is restarted

Question 152

Which statement will return a comma-separated list of employee names in alphabetical order for each department in the EMP table?

A.SELECT deptno,LISTAGG(ename, ' , ') WITHIN GROUP AS employee_list FROM emp GROUP BY deptno;

B.SELECT deptno,LISTAGG(ename, ', ') WITHIN GROUP AS employee_list FROM emp GROUP BY deptno ORDER BY ename;

C.SELECT deptno,LISTAGG(ename, ', ') WITHIN GROUP (GROUP BY deptno) AS employee_list FROM emp ORDER BY ename;

D.SELECT deptno,LISTAGG(ename, ', ') WITHIN GROUP (ORDER BY ename) AS employee_list FROM emp GROUP BY deptno;

Question 153

View the exhibit and examine the description of the PRODUCT_INFORMATIONtable.

Which SQL statement would retrieve from the table the number of products having LIST_PRICEas NULL?

A.SELECT COUNT (list_price)
FROM product_information
WHERE list_price is NULL

B.SELECT COUNT (list_price)
FROM product_information
WHERE list_price i= NULL

C.SELECT COUNT (NVL(list_price, 0))
FROM product_information
WHERE list_price is NULL

D.SELECT COUNT (DISTINCT list_price)
FROM product_information
WHERE list_price is NULL

Question 154

View the Exhibit and examine the details of the PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME and LIST_PRICE from the table where the CATEGORYJD column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name, list_price
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?

A.It would not execute because the entire WHERE clause is not enclosed within parentheses.

B.It would not execute because the same column has been used twice with the AND logical operator.

C.It would execute but would return no rows.

D.It would execute and return the desired.

Question 155

Which three statements are true regarding indexes? (Choose three.)

A.When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped

B.A UNIQUEindex can be altered to be non-unique

C.A table belonging to one user can have an index that belongs to a different user

D.An update to a table can result in no updates to any of the table's indexes

E.An update to a table can result in updates to any or all of the table's indexes

F.A SELECTstatement can access one or more indices without accessing any tables

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Question 151

Question 152

Question 153

Question 154

Question 155

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