Oracle Database: Advanced PL/SQL : 1z1-148

1z1-148 real exams

Exam Code: 1z1-148

Exam Name: Oracle Database: Advanced PL/SQL

Updated: Jun 28, 2026

Q & A: 108 Questions and Answers

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

2. Working with Collections

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

3. Using Advanced Interface Methods

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

4. Improving Performance with Caching

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

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

8. Manipulating Large Objects

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

9. Tuning PL/SQL Performance

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

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 the DBMS_METADATA package for creation DDL that can be used to re-create the objects
  • Use compile time warnings
  • 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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Oracle 1z1-148 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Differentiate between internal and external LOBs
  • Use native and interpreted compilation methods
Topic 2
  • Items wherein concepts across multiple objectives will be tested in each item
Topic 3
  • Explain invalidation of cache results
  • Create and maintain LOB data types
  • Using Advanced Interface Methods
Topic 4
  • Use the DBMS_METADATA package for creation DDL that can be used to re-create the objects
  • Create subtypes based on existing types
Topic 5
  • Safeguarding Your Code Against SQL Injection Attacks
  • Set up PL
  • SQL functions to use PL
  • SQL result caching

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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