Free Access Oracle.1z1-071.v2022-04-30.q200 Practice Test (Page 9)

Question 36

Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.

Which set operator generates the required output?

A.INTERSECT

B.UNION

C.PLUS

D.MINUS

E.SUBTRACT

Question 37

Examine this query:

Which two methods should you use to prevent prompting for a hire date value when this query is executed?

A.Use the DEFINEcommand before executing the query.

B.Execute the SET VERIFY ONcommand before executing the query.

C.Use the UNDEFINEcommand before executing the query.

D.Store the query in a script and pass the substitution value to the script when executing it.

E.Replace '&1'with '&&1'in the query.

F.Execute the SET VERIFY OFF command before executing the query.

Question 38

You execute this query:

What is the result?

A.It generates an error.

B.It returns the date for the first Monday of the next month.

C.It executes successfully but does not return any result.

D.It returns the date for the last Monday of the current month.

Question 39

View the Exhibit and examine the structure in the EMPLOYEES tables.

Evaluate the following SQL statement:
SELECT employee_id, department_id
FROM employees
WHERE department_id= 50 ORDER BY department_id
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 90
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 10;
What would be the outcome of the above SQL statement?

A.The statement would not execute because the positional notation instead of the column name should be used with the ORDER BY clause.

B.The statement would not execute because the ORDER BY clause should appear only at the end of the SQL statement, that is, in the last SELECT statement.

C.The statement would execute successfully but it will ignore the ORDER BY clause and display the rows in random order.

D.The statement would execute successfully and display all the rows in the ascending order of DEPARTMENT_ID.

Question 40

Which two statements are true about Data Manipulation Language (DML) statements? (Choose two.)

A.An INSERT INTO...VALUES.. statement can add multiple rows per execution to a table.

B.An UPDATE... SET... statement can modify multiple rows based on multiple conditions on a table.

C.A DELETE FROM..... statement can remove rows based on only a single condition on a table.

D.An INSERT INTO... VALUES..... statement can add a single row based on multiple conditions on a table.

E.A DELETE FROM..... statement can remove multiple rows based on multiple conditions on a table.

F.An UPDATE....SET.... statement can modify multiple rows based on only a single condition on a table.

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Question 36

Question 37

Question 38

Question 39

Question 40

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