TestPassPort 1z0-051試験 Q&A(109)

98. Where can subqueries be used? (Choose all that apply.) A.field names in the SELECT statement B.the FROM clause in the SELECT statement C.the HAVING clause in the SELECT statement D.the GROUP BY clause in the SELECT statement E.the WHERE clause in only the SELECT statement F.the WHERE clause in SELECT as well as all […]

TestPassPort 1z0-051試験 Q&A(108)

97. Which two statements are true regarding subqueries? (Choose two.) A.A subquery can retrieve zero or more rows. B.Only two subqueries can be placed at one level. C.A subquery can be used only in SQL query statements. D.A subquery can appear on either side of a comparison operator. E.There is no limit on the number […]

TestPassPort 1z0-051試験 Q&A(107)

96. View the Exhibits and examine the structures of the PROMOTIONS and SALES tables. Evaluate the following SQL statement: SQL>SELECT p.promo_id, p.promo_name, s.prod_id FROM sales s RIGHT OUTER JOIN promotions p ON (s.promo_id = p.promo_id); Which statement is true regarding the output of the above query? A.It gives the details of promos for which there […]

TestPassPort 1z0-051試験 Q&A(105)

94. View the Exhibit and examine the data in the PROJ_TASK_DETAILS table.   The PROJ_TASK_DETAILS table stores information about tasks involved in a project and the relation between them. The BASED_ON column indicates dependencies between tasks. Some tasks do not depend on the completion of any other tasks. You need to generate a report showing […]