Oracle 1Z0-147 : Oracle9i program with pl/sql

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. You have a table with the following definition:
CREATE TABLE long_tab
(id NUMBER);
long_col LONG)
You need to convert the LONG_COL column from a LONG data type to a LOB data type. Which
statement accomplish this task?

A) EXECUTE dbms_lob.migrate(long_tab, long_col, clob)
B) EXECUTE utl_manage_lob.migrate(long_tab, long_col, clob)
C) ALTER TABLE long_tab MODIFY (LONG_COL CLOB);
D) EXECUTE utl_lob.migrate(long_tab, long_col, clob)
E) EXECUTE dbms_manage.lob.migrate(long_tab, long_col, clob)

2. You create a DML trigger. For the timing information, which are valid with a DML trigger?

A) ON SHUTDOWN
B) DURING
C) IN PLACE OF
D) ON STATEMENT EXECUTION
E) BEFORE

3. Why do you use an INSTEAD OF trigger?

A) To insert into an audit table when data is updated in a sensitive column.
B) To perform clean up actions when ending a user session.
C) To modify data in which the DML statement has been issued against an inherently nonupdateable view.
D) To insert data into a view that normally does not accept inserts.

4. The OLD and NEW qualifiers can be used in which type of trigger?

A) Row level application trigger
B) Statement level DML trigger
C) Row level system trigger
D) Statement level application trigger
E) Statement level system trigger
F) Row level DML trigger

5. Which statements are true? (Choose all that apply)

A) If errors occur during the compilation of a trigger you can use the SHOW ERRORS command within iSQL *Plus to see the compilation errors.
B) If errors occur during the compilation of a trigger, the trigger is still created.
C) If errors occur during the compilation of a trigger you can go into SQL *Plus and query the USER_ERRORS data dictionary view to see compilation errors.
D) If errors occur during the compilation of a trigger you can go into SQL *Plus and query the USER_TRIGGERS data dictionary view to see the compilation errors.

Solutions: