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

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

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

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

2. Working with Collections

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

3. Using Advanced Interface Methods

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

4. Improving Performance with Caching

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

• Use DBMS_ASSERT
• Reduce attack surfaces
• Explain SQL injection

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

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

9. Tuning PL/SQL Performance

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

10. Analyzing PL/SQL Code

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

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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

How to Prepare For 1z0-148 Exam

Preparation Guide for 1z0-148 Exam

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Oracle 1z1-148 Exam Syllabus Topics: