Oracle 1z0-148 : Oracle Database: Advanced PL/SQL

  • Exam Code: 1z0-148
  • Exam Name: Oracle Database: Advanced PL/SQL
  • Updated: May 26, 2026
  • Q & A: 108 Questions and Answers

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About Oracle 1z0-148 Exam

Real exam environment

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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

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

2. Working with Collections

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

3. Using Advanced Interface Methods

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

4. Improving Performance with Caching

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

5. Profiling and Tracing PL/SQL Code

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

6. Safeguarding Your Code Against SQL Injection Attacks

  • Explain SQL injection
  • Reduce attack surfaces
  • Use DBMS_ASSERT

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

  • Describe and use SecureFile LOB
  • Create and maintain LOB data types
  • Use the DBMS_LOB PL/SQL package
  • Differentiate between internal and external LOBs
  • 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 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.
  • Determine identifier types and usages with PL/Scope

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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Difficulty in writing the 1z0-148 Exam

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1z0-148 exam dumps

The candidate is required to have passed any of the following Oracle certification exams in order to pass the 1Z0-148 test and receive the Oracle DB PL/SQL Developer Certified Professional certificate:

  • 1Z0-071 (Oracle Database SQL)
  • 1Z0-144 (Oracle DB 11g)
  • 1Z0-061 (Oracle DB 12c: SQL Fundamentals). This exam is going to be retired on November 30, 2019.

Those students who wish to take the exam have to pay 245$. Registration for the test can be done online at the Pearson VUE website.

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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