View the Exhibit and examine the structure of the PRODUCT_INFORMATION table.

PRODUCT_ID column is the primary key.
You create an index using this command:
SQL > CREATE INDEX upper_name_idx
ON product_information(UPPER(product_name));
No other indexes exist on the PRODUCT_INFORMATION table.
Which query would use the UPPER_NAME_IDX index? (Choose the best answer.)

Which three are true about the CREATE TABLE command?

Which three are true about scalar subquery expressions?

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS tables:

You want to generate a list of all department IDs that do not exist in the COURSE_DETAILStable.
You execute the SQL statement:

What is the outcome?

View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.

You executed this UPDATE statement:

Which statement is true regarding the execution? (Choose the best answer.)