Which of the following is a valid SQL statement?a. SELECT TRUNC(ROUND(125.38, 1), 0) FROM dual;b. SELECT ROUND(TRUNC(125.38, 0)FROM dual;c. SELECT LTRIM(LPAD(state, 5, ' '), 4, -3, "*")FROM dual;d. SELECT SUBSTR(ROUND(14.87, 2, 1), -4, 1)FROM dual;

Which of the following is a valid SQL statement?a. SELECT TRUNC(ROUND(125.38, 1), 0) FROM dual;b. SELECT ROUND(TRUNC(125.38, 0)FROM dual;c. SELECT LTRIM(LPAD(state, 5, ' '), 4, -3, "*")FROM dual;d. SELECT SUBSTR(ROUND(14.87, 2, 1), -4, 1)FROM dual;

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter10: Selected Single-row Functions

Section: Chapter Questions

Problem 14MC

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Windows is an operating system produced by Microsoft Corporation, initially released in the year 1985 and also known as Microsoft Windows. It has been written in JavaScript with visual basics, and C. Windows is the most popular operating system (OS) for personal computers across the globe. Since its inception, there has been a tough competition between Apple and Microsoft, yet one-third of the OS market share has been occupied by Windows. Although in recent years, Android has come up as another considerable competitor for these two organizations, which is leading the smartphone market, yet in desktops and laptops, Windows has the most number of customers.

Question

Which of the following is a valid SQL statement?
a. SELECT TRUNC(ROUND(125.38, 1), 0) FROM dual;
b. SELECT ROUND(TRUNC(125.38, 0)
FROM dual;
c. SELECT LTRIM(LPAD(state, 5, ' '), 4, -3, "*")
FROM dual;
d. SELECT SUBSTR(ROUND(14.87, 2, 1), -4, 1)
FROM dual;

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