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Oracle Introduction to Oracle9i: SQL Sample Questions:

1. The CUSTOMERS table has these columns:
CUSTOMER_ID NUMBER(4) NOT NULL
CUSTOMER_NAME VARCHAR2(100) NOT NULL
CUSTOMER_ADDRESS VARCHAR2(150)
CUSTOMER_PHONE VARCHAR2(20)
You need to produce output that states "Dear Customer customer_name, ".
The customer_name data values come from the CUSTOMER_NAME column in the CUSTOMERS table.
Which statement produces this output?

A) SELECT 'Dear Customer ' || customer_name || ',' || FROM customers;
B) SELECT 'Dear Customer ' || customer_name || ',' FROM customers;
C) SELECT dear customer, customer_name, FROM customers;
D) SELECT 'Dear Customer ' || customer_name ',' FROM customers;
E) SELECT "Dear Customer " || customer_name || "," FROM customers;
F) SELECT "Dear Customer", customer_name || ',' FROM customers;

2. Which statement correctly describes SQL and /SQL*Plus?

A) SQL manipulates data and table definitions in the database; /SQL*Plus does not allow manipulation of values in the database.
B) /SQL*Plus is a language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
C) Both SQL and /SQL*plus allow manipulation of values in the database.
D) /SQL*Plus recognizes SQL statements and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.

3. User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database.
Which SQL statement can Mary use to accomplish that task?

A) CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu;
B) CREATE PUBLIC SYNONYM EDL_VU FOR emp_dept_loc_vu;
C) CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu;
D) CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
E) CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
F) CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;

4. When should you create a role? (Choose two)

A) To simplify the process of granting and revoking privileges.
B) To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.
C) To grant a group of related privileges to a user.
D) When the number of people using the database is very high.
E) To simplify profile maintenance for a user who is constantly traveling.

5. Which best describes an inline view?

A) a subquery that is part of the FROM clause of another query
B) another name for a view that contains group functions
C) a schema object
D) a subquery that can contain an ORDER BY clause

Solutions: