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Oracle Introduction to Oracle9i: SQL Sample Questions:

1. The CUSTOMERS table has these columns:

A promotional sale is being advertised to the customers in France. Which WHERE clause identifies customers that are located in France?

A) WHERE lower(country_address) = 'france'
B) WHERE lower(country_address) IS 'france'
C) WHERE lower(country_address) = "france"
D) WHERE lower(country_address) = '%france%'
E) WHERE lower(country_address) LIKE %france%

2. In which case would you use a FULL OUTER JOIN?

A) You want all unmatched data from both tables.
B) You want all matched and unmatched data from only one table.
C) You want all unmatched data from one table.
D) You want all matched data from both tables.
E) One of the tables has more data than the other.
F) Both tables have NULL values.

3. Which constraint can be defined only at the column level?

A) CHECK
B) UNIQUE
C) NOT NULL
D) PRIMARY KEY
E) FOREIGN KEY

4. Which object privileges can be granted on a view?

A) none
B) DELETE, INSERT,SELECT
C) DELETE, INSERT, SELECT, UPDATE
D) ALTER, DELETE, INSERT, SELECT

5. You need to produce a report for mailing labels for all customers. The mailing label must have only the customer name and address. The CUSTOMERS table has these columns:

Which SELECT statement accomplishes this task?

A) SELECT name, address FROM customers;
B) SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;
C) SELECT id, name, address, phone FROM customers;
D) SELECT* FROM customers;
E) SELECT cust_name, cust_address FROM customers;

Solutions: