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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
QUESTION NO: 2
What is the correct definition of the persistent state of a packaged variable? 1Z0-144 pdf
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.
QUESTION NO: 3
View the Exhibit and examine the code.
Why does the code give an error on execution? 1Z0-144 dumps
A. because the WORD_LIST variable is not visible in procedure wording
B. because the lexicon variable is not visible in procedure ADD_ENTRY
C. because the lexicon variable is not initialized in procedure wording
D. because the WORD_LIST parameter in out mode cannot be of a record data type
QUESTION NO: 4
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.
QUESTION NO: 5
Identify two situations where the DBMS_SQL package should be used. (Choose two.)
A. The select list is not known until run time.
B. The dynamic SQL statement retrieves rows into records.
C. You do not know how many columns a select statement will return, or what their data types will
D. You must use the %found SQL cursor attribute after issuing a dynamic SQL
QUESTION NO: 6
Which two statements art true about the instead of triggers’ (choose two.) 1Z0-144 pdf
A. Delete operations cannot be performed using the instead of triggers.
B. The instead or triggers must be created to add or modify data through any view.
C. The instead of triggers can be written only for views, and the before and after timing options are not valid.
D. The check option for views Is not enforced when Insertions or updates to the view are performed by using the instead of trigger.
QUESTION NO: 7
Which two statements are correct about the usage of parameters in functions? (Choose two.) 1Z0-144 dumps
A. Functions can have only in mode parameters.
B. Functions called in SQL statements cannot have out or in out mode parameters.
C. Functions having in, out, or in out parameters can be called only in named PL/SQL subprograms
D. Functions having in, out, or in out parameters can be called In PL/SQL procedures and anonymous blocks.
QUESTION NO: 8
You want to create a trigger that fires whenever rows are deleted from the customer table and that displays the number of rows remaining in the table.
Which two statements are correct about the trigger to be created for the above requirement? (Choose two.)
A. It should be an after trigger.
B. It should be a before trigger.
C. It should be a row-level trigger.
D. It should be a statement-level trigger.
E. It can be a before or an after trigger.
QUESTION NO: 9
Which two statements are true about the continue statement? (Choose two.) 1Z0-144 pdf
A. The PL/SQL block execution terminates immediately.
B. The CONTINUE statement cannot appear outside a loop.
C. The loop completes immediately and control passes to the statement after end loop.
D. The statements after the continue statement in the iteration are executed before terminating the LOOP.
E. The current iteration of the loop completes immediately and control passes to the next iteration of the loop
QUESTION NO: 10
Which two statements are true about statement-level and row-level triggers? (Choose two.) 1Z0-144 dumps
A. A row trigger fires once even if no rows are affected.
B. A statement trigger fires once even if no rows are affected.
C. Row triggers are useful if the trigger action depends on the data of rows that are affected or on data that is provided by the triggering event itself.
D. Statement triggers are useful if the trigger action depends on the data of rows that are affected or on data that is provided by the triggering event itself.
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