Oracle 1z0-146 Exam Practice Questions (P. 5)
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Question #21
- AOnly varrays must use sequential numbers as subscripts
- BOnly varrays can be used as column types in database tables
- CBoth assocaitive arrays and varrays must use sequential numbers as subscripts
- DBoth assocative arrays and varrays can be used as column types in database tables
AB

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Question #22

Which three statements are appropriate for protecting the code in the procedure from SQL injection? (Choose three.)
- AExplicitly validate the identifier length limit
- BAdd AUTHID DEFINER to the definition of the procedure
- CUse PRAGMA RESTRICT_REFERENCES in the procedure
- DFilter out control characters in user-supplied identifier names
- EUse the object ID of the table from the data dictionary to build the trigger name
ADE

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Question #23
- AWhen the size for the memory allocated for the result cache is increased
- BWhen the function is executed in a session frequently with the same parameter value
- CWhen the database administrator has disabled the use of the result cache during application patching
- DWhe a data manipulation language statement in a session on a table or view that was specified in the RELIES_ON clause of a result-cached function
CD

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Question #24

Identify the sections of the code that need to be modified for better performance gains. (Choose all that apply)
- AUse cursors to fetch values
- BRemove redundant SQL statements in the procedure
- CAvoid the NOT NULL constraint when declearing the variable
- DDefine and compule procedures independently and not as part of a package
BC

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Question #25
Exhibit1:

Exhibit2:

When executing the above PL/SQL statement to create SALES_ORDERS_CTZ context to use the OE.SALES_ORDERS_PKG package.
ERROR at line 2:
ORA-28112: Failed to execute policy function.
What could be the reason for the error?
- AThe user has insufficient privileges on the DBMS_SESSION package
- BThe subprograms inside the package have not been created with the invokers right
- CThe THE_PREDICATE function has an insufficient number of parameters in the package
- DThe policy is created by using SALES_ORDERS_PKG. THE_PREDICATE without a parameter
C

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