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Topics of 1z0-148 Exam

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1. Designing PL/SQL Code

• Use cursor variables
• Create subtypes based on existing types
• Identify guidelines for cursor design
• Use DBMS_SQL functions

2. Working with Collections

• Distinguish between the different types of collections and their uses
• Use nested collections
• Manipulate collections
• Use collection of objects

3. Using Advanced Interface Methods

• Execute Java programs from PL/SQL
• Execute external C programs from PL/SQL.

4. Improving Performance with Caching

• Handle session dependencies in a result cache function
• Set up PL/SQL functions to use PL/SQL result caching
• Explain invalidation of cache results
• Identify when to result cache a function
• Use the DBMS_RESULT_CACHE package
• Invoker's Right function result caching

5. Profiling and Tracing PL/SQL Code

• Trace PL/SQL program execution
• Profile PL/SQL applications.

6. Safeguarding Your Code Against SQL Injection Attacks

• Use DBMS_ASSERT
• Reduce attack surfaces
• Explain SQL injection

7. Creating and Managing Collections

• Create and manage nested tables
• Create and manage associative arrays/PLSQL tables
• Create and manage varrays

8. Manipulating Large Objects

• Use the DBMS_LOB PL/SQL package
• Differentiate between internal and external LOBs
• Describe and use SecureFile LOB
• Use of temporary LOBs
• Create and maintain LOB data types

9. Tuning PL/SQL Performance

• Use DBMS_PARALLEL_EXECUTE package.
• Optimize PL/SQL code
• Enable intraunit inlining
• Use native and interpreted compilation methods

10. Analyzing PL/SQL Code

• Determine identifier types and usages with PL/Scope
• Use the supplied packages and dictionary views to find coding information
• Use compile time warnings
• Use the DBMS_METADATA package for creation DDL that can be used to re-create the objects
• Use conditional compilation.

11. Implementing Fine-Grained Access Control for VPD

• Build security policies
• Explain the process of fine-grained access control

12. Edition-Based Redefinition

• Use Edition-Based Redefinition

13. Multidisciplinary

• Items wherein concepts across multiple objectives will be tested in each item

What is the duration, language, and format of 1z0-148 Exam

• Passing score: 62%
• Language: 1z0-148 offered in English (U.S.)
• Length of Examination: 120 minutes
• Format: Multiple choices, multiple answers
• Number of Questions: 75

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Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-148

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