Free Access Oracle.1Z0-082.v2022-02-11.q110 Practice Test (Page 20)

Question 91

Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:

Which two statements are true? (Choose two.)

A.Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200

B.Employee 100 will have SALARY set to the same value as the SALARY of employee 200

C.Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100

D.Employee 200 will have SALARY set to the same value as the SALARY of employee 100

E.Employees 100 and 200 will have the same SALARY as before the update command

F.Employees 100 and 200 will have the same JOB_ID as before the update command

Question 92

In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

A.It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.

B.It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.

C.It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1' ".

D.It succeeds and the generated undo is stored in SYSAUX.

E.It succeeds and the generated undo is stored in SYSTEM.

Question 93

View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)

A.Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE

B.Display the total number of products supplied by supplier 102 which have a product status of obsolete

C.Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable

D.Display suppliers whose PROD_LIST_PRICE is less than 1000

E.Display the minimum PROD_LIST_PRICE for each product status

Question 94

Examine the description of the EMPLOYEES table:

Which query is valid?

A.SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;

B.SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;

C.SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;

D.SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;

Question 95

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.NULLS influence the precedence of operators in an expression

C.The concatenation operator | | is always evaluated before addition and subtraction in an expression

D.The + binary operator has the highest precedence in an expression in a SQL statement

E.Multiple parentheses can be used to override the default precedence of operators in an expression

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Question 91

Question 92

Question 93

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