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. Which three are valid ways to minimize dependency failure? (Choose three)

A) Specifying schema names when referencing objects.
B) Querying with the SELECT * notification.
C) Specifying package.procedure notation while executing procedures.
D) Declaring records by using the %ROWTYPE attribute.
E) Declaring variables with the %TYPE attribute.

2. Which two statements about object dependencies are accurate? (Choose two.)

A) When referencing a package procedure or function from a stand-alone procedure or function, if the package specification changes, the package body remains valid but the stand-alone procedure becomes invalid
B) When referencing a package procedure or function from a stand-alone procedure or function, if the package body changes and the package specification does not change, the stand-alone procedure referencing a package construct becomes invalid
C) When referencing a package procedure or function from a stand-alone procedure or function, If the package specification changes, the stand-alone procedure referencing a package construct as well as the package body become invalid
D) When referencing a package procedure or function from a stand-alone procedure or function, if the package body changes and the package specification does not change, the stand-alone procedure referencing a package construct remains valid.

3. To be callable from a SQL expression, a user-defined function must do what?

A) Be stored only in the database.
B) Have both IN and OUT parameters.
C) Use the positional notation for parameters.
D) Return a BOOLEAN or VARCHAR2 data type.

4. Which three statements are true regarding database triggers? (Choose three)

A) A database trigger is a PL/SQL block, C, or Java procedure associated with a table, view, schema, or the database.
B) A database trigger executes implicitly whenever a particular event takes place.
C) A database trigger needs to be executed explicitly whenever a particular event takes place.
D) With a schema, triggers fire for each event for all users; with a database, triggers fire for each event for that specific user.
E) A database trigger fires whenever a data event (such as DML) or system event (such as logon, shutdown) occurs on a schema or database.

5. Which statement is true?

A) Stored functions can be called from the SELECT and WHERE clauses only.
B) Stored functions do not permit calculations that involve database links in a distributed environment.
C) Stored functions cannot manipulate new types of data, such as longitude and latitude.
D) Stored functions can increase the efficiency of queries by performing functions in the query rather than in the application.

Solutions: