Click the Exhibit（s） button to view the EMPLOYEES table. The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month， you are required to perform search queries based on the BASIC_SAL+COMM column values. Which type of index will you create？（） A. B-tree IndexB. Bitmap IndexC. Function-based IndexD. Partitioned Index

单项选择题

Click the Exhibit（s） button to view the EMPLOYEES table.

The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month， you are required to perform search queries based on the BASIC_SAL+COMM column values. Which type of index will you create？（）

A. B-tree Index
B. Bitmap Index
C. Function-based Index
D. Partitioned Index

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