Multiple choice technology databases

Which type of index does this syntax create? CREATE INDEX hr.employees_last_name_idx ON hr.employees(last_name) PCTFREE 30 STORAGE(INITIAL 200K NEXT 200K PCTINCREASE 0 MAXEXTENTS 50) TABLESPACE indx;

  1. Bitmap

  2. B-Tree

  3. Partitioned

  4. Reverse key

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The standard CREATE INDEX syntax in Oracle without specifying any special keywords (like BITMAP) creates a standard B-Tree index by default. This index structure is ideal for high-cardinality columns such as last names.