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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

Question 1

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this?

A. GRANT select ON dept TO PUBLIC;
B. GRANT select ON dept TO ALL_USERS;
C. GRANT QUERY ON dept TO ALL_USERS
D. GRANT select ON dept TO ALL;

Question 2

Which three are true? (Choose three.)

A. A MERGE statement replaces the data of one table with that of another.
B. A MERGE statement can be used to update existing rows in a table.
C. A MERGE statement is used to merge the data of one table with data from another.
D. A MERGE statement can be used to insert new rows into a table.

Question 3

Which syntax turns an existing constraint on?

A. ALTER TABLE table_name
TURN ON CONSTRAINT constraint_name;
B. ALTER TABLE table_name
STATUS ENABLE CONSTRAINT constraint_name;
C. ALTER TABLE table_name
TURN ON CONSTRAINT constraint_name;
D. ALTER TABLE table_name
ENABLE constraint_name;
E. ALTER TABLE table_name
ENABLE CONSTRAINT constraint_name;
F. ALTER TABLE table_name
STATUS = ENABLE CONSTRAINT constraint_name;

Question 4

You need to change the definition of an existing table. The COMMERCIALS table needs its DESCRIPTION column changed to hold varying length characters up to 2000 bytes. The column can currently hold 1000 bytes per value. The table contains 20000 rows.
Which statement is valid?

A. ALTER TABLE commercials
MODIFY (description VARCHAR2(2000));
B. ALTER TABLE commercials
CHANGE (description CHAR2(2000));
C. ALTER TABLE commercials
MODIFY (description CHAR2(2000));
D. You cannot increase the size of a column if the table has rows.
E. ALTER TABLE commercials
CHANGE (description VARCHAR2(2000));

Question 5

Which SQL statement accepts user input for the columns to be displayed, the table name, and WHERE condition?

A. SELECT &1, '&2'
FROM EMP
WHERE last_name = '&4';
B. SELECT &1, &2
FROM &3
WHERE last_name = '&4';
C. SELECT &1, '&2'
FROM &3
WHERE '&last_name = '&4' ';
D. SELECT &1, "&2"
FROM &3
WHERE last_name = '&4';

Solutions: