Oracle - Managing PL/SQL Code MCQ

Oracle – Managing PL/SQL Code

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1. What is the primary purpose of managing code in the database?

To enforce data constraints

To organize and maintain stored code

To improve database performance

To increase database size

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2. Which data dictionary views can be used to display information about stored objects in Oracle?

DBA_STORED_CODE

DBA_DEPENDENCIES

DBA_TABLES

DBA_OBJECTS

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3. How can you obtain properties of stored code in Oracle?

By querying the DBA_SOURCE view

By analyzing program size

By compiling the code

By using the DBMS_PROPERTY package

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4. What is the purpose of fine-grained dependency analysis in Oracle?

To enforce data constraints

To identify remote dependencies

To analyze program size

To determine pinning requirements

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5. When recompiling invalid program units in Oracle, which data dictionary views can be used to identify the dependencies of the program units?

DBA_ERRORS and DBA_STORED_CODE

DBA_DEPENDENCIES and DBA_TRIGGERS

DBA_DEPENDENCIES and DBA_ERRORS

DBA_OBJECTS and DBA_DEPENDENCIES

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6. What is the main advantage of enabling compile-time warnings in PL/SQL code?

Early detection of potential issues

Better code readability

Improved runtime performance

Enhanced security

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7. Which PL/SQL utility can be used for tracing PL/SQL execution?

DBMS_TRACE

opp_trace

DBMS_APPLICATION_INFO

UTL_CALL_STACK

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8. What does the DBMS_TRACE facility in Oracle PL/SQL allow you to do?

Control access to program units

Trace PL/SQL execution

Analyze code dependencies

Format call stack information

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9. What is the primary purpose of debugging PL/SQL programs?

To identify and fix errors

To protect stored code

To analyze program size

To improve code readability

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10. How can whitelisting be used to control access to program units in Oracle?

By encrypting the code

By using the DBMS_TRACE facility

By compiling the code

By wrapping the code

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11. What is the main purpose of edition-based redefinition in Oracle?

To protect stored code

To enable online application upgrades

To organize and maintain stored code

To improve database performance

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12. Which data dictionary view can be used to display and search source code in Oracle?

DBA_OBJECTS

DBA_ERRORS

DBA_SOURCE

DBA_DEPENDENCIES

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13. What is the primary benefit of using automated testing options for PL/SQL in Oracle?

Better code organization

Improved code readability

Efficient and comprehensive testing

Faster code compilation

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14. In Oracle, which utility can be used for dynamic wrapping of PL/SQL code?

UTL_CALL_STACK

DBMS_TRACE

DBMS_PROPERTY

DBMS_DDL

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15. How can you obtain information about the call stack in PL/SQL using DBMS_UTILITY?

By querying the DBA_CALL_STACK view

By executing a SELECT statement

By analyzing program size

By using the FORMAT_CALL_STACK procedure

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16. Which utility in Oracle PL/SQL allows you to protect stored code by wrapping it?

DBMS_TRACE

DBMS_DDL

DBMS_PROPERTY

DBMS_APPLICATION_INFO

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17. What is the primary purpose of the DBMS_APPLICATION_INFO package in Oracle PL/SQL?

To protect stored code

To set module and action information

To format call stack information

To trace PL/SQL execution

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18. What is the main purpose of the DBMS_DDL package in Oracle?

To format call stack information

To enable dynamic wrapping of code

To compile PL/SQL code

To trace PL/SQL execution

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19. What is the primary purpose of analyzing identifier usage in PL/SQL code?

To improve code readability

To enforce data constraints

To identify potential security issues

To trace PL/SQL execution

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20. In Oracle, what is the primary goal of edition-based redefinition?

To enable online application upgrades

To protect stored code

To format call stack information

To improve code readability

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21. Which PL/SQL utility can be used to trace PL/SQL execution in Oracle?

DBMS_DDL

DBMS_PROPERTY

DBMS_TRACE

DBMS_APPLICATION_INFO

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22. What is the primary advantage of using edition-based redefinition in Oracle?

Enhanced security

Online application upgrades

Improved code readability

Better code organization

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23. What is the main goal of using dynamic wrapping with DBMS_DDL in Oracle PL/SQL?

To improve code readability

To format call stack information

To protect stored code

To trace PL/SQL execution

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24. What is the primary purpose of using the DBMS_PROPERTY package in Oracle PL/SQL?

To trace PL/SQL execution

To analyze program size

To protect stored code

To format call stack information

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25. How can you obtain program size information to determine pinning requirements for PL/SQL code in Oracle?

By using DBMS_DDL

By analyzing dependencies

By querying the DBA_SOURCE view

By tracing PL/SQL execution

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Oracle – Managing PL/SQL Code MCQ