The Oracle 1Z0-148 exam measures various skills, such as:

• Working with collections
• Performance improvement with caching
• PL/SQL code designing
• PL/SQL Code analysis
• Large objects manipulation
• Creation and management of collections

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Topics of 1z0-148 Exam

Candidates must know the exam topics before they start of preparation. because it will really help them in hitting the core. Our 1z0-148 Dumps will include the following topics:

1. Designing PL/SQL Code

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

2. Working with Collections

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

3. Using Advanced Interface Methods

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

4. Improving Performance with Caching

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

5. Profiling and Tracing PL/SQL Code

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

6. Safeguarding Your Code Against SQL Injection Attacks

• Explain SQL injection
• Use DBMS_ASSERT
• Reduce attack surfaces

7. Creating and Managing Collections

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

8. Manipulating Large Objects

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

9. Tuning PL/SQL Performance

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

10. Analyzing PL/SQL Code

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

11. Implementing Fine-Grained Access Control for VPD

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

12. Edition-Based Redefinition

• Use Edition-Based Redefinition

13. Multidisciplinary

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

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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Oracle 1z1-148 Exam Syllabus Topics: