When is creating an index manually inappropriate?a. when queries return a large percentage of rows in the resultsb. when the table is smallc. when the majority of table operations are updatesd. all of the abovee. only a and c

When is creating an index manually inappropriate?a. when queries return a large percentage of rows in the resultsb. when the table is smallc. when the majority of table operations are updatesd. all of the abovee. only a and c

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter6: Additional Database Objects

Section: Chapter Questions

Problem 9MC

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Question

When is creating an index manually inappropriate?
a. when queries return a large percentage of rows in the results
b. when the table is small
c. when the majority of table operations are updates
d. all of the above
e. only a and c

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