Thursday, June 14, 2012

1Z0-051 training certification

As we all know, 1Z0-051 training is the most widely used in IT certification area. 1Z0-051, also known as Oracle Database: SQL Fundamentals I, is a Oracle certification.

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View the Exhibit to examine the description for the SALES table.
Which views can have all DML operations performed on it? (Choose all that apply.)
A. CREATE VIEW v3 AS SELECT * FROM SALES WHERE cust_id = 2034 WITH CHECK OPTION;
B. CREATE VIEW v1 AS SELECT * FROM SALES WHERE time_id <= SYSDATE - 2*365 WITH CHECK OPTION;
C. CREATE VIEW v2 AS SELECT prod_id, cust_id, time_id FROM SALES WHERE time_id <= SYSDATE - 2*365 WITH CHECK OPTION;
D. CREATE VIEW v4 AS SELECT prod_id, cust_id, SUM(quantity_sold) FROM SALES WHERE time_id <= SYSDATE - 2*365 GROUP BY prod_id, cust_id WITH CHECK OPTION;
Answer: AB

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