READ Free Dumps For Oracle- 1z0-061
Question ID 2295 | Examine the structure of the sales table: |
Option A | A. The SALES1 table is created with no rows but only a structure. |
Option B | B. The SALES1 table would have primary key and unique constraints on the specified columns. |
Option C | C. The SALES1 table would not be created because of the invalid where clause. |
Option D | D. The SALES1 table would have not null and unique constraints on the specified columns. |
Option E | E. The SALES1 table would not be created because column-specified names in the select and create table clauses do not match, |
Correct Answer | A |
Question ID 2296 | Which two statements are true regarding subqueries? |
Option A | A. A subquery can retrieve zero or more rows. |
Option B | B. Only two subqueries can be placed at one level. |
Option C | C. A subquery can be used only in SQL query statements. |
Option D | D. A subquery can appear on either side of a comparison operator. |
Option E | E. There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement. |
Correct Answer | A,D |