Online Access Free Oracle.1z1-071.v2022-04-29.q239 Practice Test (Page 17)

1z1-071 Exam Question 76

Evaluate the following SQL statement:
SELECT product_name || 'it's not available for order'
FROM product_information
WHERE product_status = 'obsolete';
You received the following error while executing the above query:
ERROR
ORA-01756: quoted string not properly terminated
What would you do to execute the query successfully?

A.Remove the single quotation marks enclosing the character literal string in the SELECTclause

B.Use the escape character to negate the single quotation mark within the literal character string in the SELECTclause

C.Enclose the character literal string in the SELECT clause within double quotation marks

D.Use the Oracle (q) operator and delimiter to allow the use of a single quotation mark within the literal character string in the SELECTclause

1z1-071 Exam Question 77

View the exhibit and examine the structures of the EMPLOYEES and DEPARTMENTS tables.

You want to update EMPLOYEES table as follows:
Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
Set department_id for these employees to the department_id corresponding to London (location_id 2100).
Set the employees' salary in location_id 2100 to 1.1 times the average salary of their department.
Set the employees' commission in location_id 2100 to 1.5 times the average commission of their department.
You issue the following command:

What is outcome?

A.It executes successfully and gives the desired update.

B.It generates an error because multiple columns (SALARY, COMMISSION) cannot be specified together in an UPDATE statement.

C.It generates an error because a subquery cannot have a join condition in a UPDATE statement.

D.It executes successfully but does not give the desired update.

1z1-071 Exam Question 78

Examine the description of the ORDERS table:

Which three statements execute successfully?

A.SELECE order _id, order _ date FRON orders
LNTERSECT
SELECT invoice_ id, invoice_ id, order_ date FROM orders

B.(SELECT * FROM orders
UNION ALL
SELECT* FROM invoices) ORDER BY order _id;

C.SELECT * FROM orders
MINUS
SELECT * FROM INVOICES ORDER BY 1

D.SELECT * FROM orders ORDER BY order_ id
INTERSEOT
SELECT * FROM invoices ORDER BY invoice_ id;

E.SELECT order_ id, order_ data FROM orders
UNION ALL
SELECT invoice_ id, invoice_ data FROM invoices ORDER BY order_ id;

F.SELECT order_ id, invoice_ data order_ date FROM orders
MINUS
SELECT invoice_ id, invoice_ data FROM invoices ORDER BY invoice_ id;

G.SELECT * FROM orders ORDER BY order_ id
UNION
SELECT * FROM invoices;

1z1-071 Exam Question 79

Which three statements are true about performing Data Manipulation Language (DML) operations on a view in an Oracle Database? (Choose three.)

A.Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCTkeyword.

B.Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEYand the PRIMARY KEYcolumns are not referenced in the defining query of the view.

C.The WITH CHECKclause has no effect when deleting rows from the underlying table through the view.

D.Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains aggregating functions.

E.Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.

F.Insert statements can always be done on a table through a view.

1z1-071 Exam Question 80

View the Exhibit and examine the structure of the CUSTOMERS table.

Evaluate the following SQL statement:

Which statement is true regarding the outcome of the above query?

A.It executes successfully.

B.It returns an error because the BETWEEN operator cannot be used in the HAVING clause.

C.It returns an error because WHERE and HAVING clauses cannot be used in the same SELECT statement.

D.It returns an error because WHERE and HAVING clauses cannot be used to apply conditions on the same column.

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1z1-071 Exam Question 76

1z1-071 Exam Question 77

1z1-071 Exam Question 78

1z1-071 Exam Question 79

1z1-071 Exam Question 80

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