Which of the following is correct? (refer to the tables in the JustLee Books database.)a. A group function can be nested inside a group function.b. A group function can be nested inside a single-row function.c. A single-row function can be nested inside a group functiond. d. a and be. a, b, and c

Which of the following is correct? (refer to the tables in the JustLee Books database.)a. A group function can be nested inside a group function.b. A group function can be nested inside a single-row function.c. A single-row function can be nested inside a group functiond. d. a and be. a, b, and c

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter11: Group Functions

Section: Chapter Questions

Problem 8MC

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Question

Which of the following is correct? (refer to the tables in the JustLee Books database.)
a. A group function can be nested inside a group function.
b. A group function can be nested inside a single-row function.
c. A single-row function can be nested inside a group functiond. d. a and b
e. a, b, and c

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What is the distinction between single-row and group functions?