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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. What are two reasons to create synonyms? (Choose two.)

A) You want to work on your own tables.
B) Your tables names are too long.
C) You have too many columns in your tables.
D) You want to use another schema's tables.
E) You have too many tables.
F) Your tables have difficult names.

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

A) /SQL*Plus is a language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
B) SQL manipulates data and table definitions in the database; /SQL*Plus does not allow manipulation of values in the database.
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. For which two constraints does the Oracle Server implicitly create a unique index? (Choose two.)

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

4. Exhibit:

Examine the data in the EMPLOYEES table.
Examine the subquery:
SELECT last_name FROM employees WHERE salary IN (SELECT MAX(salary) FROM employees GROUP BY department_id);
Which statement is true?

A) The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.
B) The SELECT statement does not work because the GROUP BY clause should be in the
main query and not in the subquery.
C) The SELECT statement does not work because there is no HAVING clause.
D) The SELECT statement is syntactically accurate.

5. Which statement describes the ROWID data type?

A) A hexadecimal string representing the unique address of a row in its table.
B) Binary data stored in an external file, up to 4 gigabytes.
C) Character data up to 4 gigabytes.
D) Raw binary data of variable length up to 2 gigabytes.
E) Binary data up to 4 gigabytes.

Solutions: