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1Z0-144 Oracle Database 11g: Program with PL/SQL We believe in helping our customers achieve their goals. For this reason, we take great care while preparing our Questions and Answers , Core Administration. Our practice tests Administration are prepared with the help of highly professional people from the industry, so we benefit from their vast experience and knowledge.
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QUESTION NO: 1
Which two tasks should be created as functions instead of as procedures? (Choose two.)
A. reference host or bind variables in a PL7SQL block of code
B. tasks that compute and return multiple values to the calling environment
C. tasks that compute a value that must be returned to the calling environment
D. tasks performed in SQL that increase data independence by processing complex data analysis within the Oracle server, rather than by retrieving the data into an application
Answer: A,B
QUESTION NO: 2
What is the correct definition of the persistent state of a packaged variable?
A. It is a private variable defined in a procedure or function within a package body whose value is consistent within a user session.
B. It is a public variable in a package specification whose value is consistent within a user session.
C. It is a private variable in a package body whose value is consistent across all current active sessions.
D. It is a public variable in a package specification whose value is always consistent across all current active sessions.
Answer: B
QUESTION NO: 3
Which statements are true about PL/SQL procedures? (Choose all that apply.)
A. Users with definer’s rights who are granted access to a procedure that updates a table must be granted access to the table itself.
B. Reuse of parsed PL/SQL code that becomes available in the shared SQL area of the server avoids the parsing overhead of SQL statements at run time.
C. Depending on the number of calls, multiple copies of the procedure are loaded into memory for execution by multiple users to speed up performance.
D. A PL/SQL procedure executing on the Oracle database can call an external procedure or function that is written in a different programming language, such as C or Java.
Answer: B,D
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