Online Access Free Oracle.1z0-071.v2024-09-26.q131 Practice Test (Page 12)

1z0-071 Exam Question 51

The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions?

A.qty_sold ='05549821 ': requires explicit conversion

B.qty_sold BETWEEN '101' AND '110': uses implicit conversion

C.invoice_date> '01-02-2019': uses implicit conversion

D.CONCAT(qty_sold, invoice_date): requires explicit conversion

E.invoice_date = '15-march-2019': uses implicit conversion

1z0-071 Exam Question 52

Which two statements are true about the COUNT function?

A.It can only be used for NUMBER data types.

B.COUNT(*) returns the number of rows in a table including duplicate rows and rows containing NULLs in any column.

C.A SELECT statement using the COUNT function with a DISTINCT keyword cannot have a WHERE clause.

D.COUNT (DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULLs in the INV_AMT column

E.COUNT(inv_amt) returns the number of rows in a table including rows with NULL in the INV_AMT column.

1z0-071 Exam Question 53

Examine the data in the ENPLOYEES table:

Which statement will compute the total annual compensation tor each employee

A.SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * monthly_commission_pct) AS annual_comp FROM employees

B.SECECT last_namo, (menthy_salary + monthly_commission_pct) * 12 AS annual_comp FROM employees;

C.SELCECT last_namo, (monthly_salary * 12) + (monthly_commission_pct * 12) AS annual_comp FROM employees

D.SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * NVL (monthly_commission_pct, 0)) AS annual_comp FROM employees

1z0-071 Exam Question 54

Which two statements are true about views?

A.The wITH CHECK clause prevents certain rows from being displayed when querying the view.

B.Views can be indexed.

C.Theethi CHEcK clause prevents certalin rows from being updated or inserted in the underying table through the view.

D.Views can be updated without the need to re-grant privileges on the view.

E.Tables in the defining query of a view must always exist in order to create the view.

1z0-071 Exam Question 55

Examine the description of the PRODUCT_INFORMATION table:

A.SELECT count(nvl( list_price,0)) FROM product_information WHERE list_price is null;

B.SELECT (COUNT(list_price) FROM Product_intormation WHERE list_price=NULL;

C.SELECT COUNT(DISTINCT list_price) FROM product_information WHERE list_price is null.

D.BELECT COUNT(list_price) FROM product_information where list_price is NULL;

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1z0-071 Exam Question 51

1z0-071 Exam Question 52

1z0-071 Exam Question 53

1z0-071 Exam Question 54

1z0-071 Exam Question 55

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