READ Free Dumps For Oracle- 1z0-001
Question ID 1639 | Which data dictionary view contains the definition of a view? |
Option A | A. USER VIEWS |
Option B | B. SYSTEM VIEWS |
Option C | C. USER_TAB_VIEWS |
Option D | D. MY VIEWS |
Correct Answer | A |
Question ID 1640 | Which statement is true about nesting blocks? |
Option A | A. Variable names must be unique between blocks. |
Option B | B. A variable defined in the outer block is visible in the inner blocks. |
Option C | C. A variable in an inner block may have the same name as a variable in an outer block only if the data types are different. |
Option D | D. A variable defined in the inner block is visible in the outer blocks. |
Correct Answer | B |