Oracle Database: Advanced PL/SQL (1Z0-148) Practice Exam

Oracle Database: Advanced PL/SQL (1Z0-148)

About Oracle Database: Advanced PL/SQL (1Z0-148)

1Z0-148 exam will help you in becoming an Oracle Database PL/SQL Certified Professional. In this, you will gain a thorough knowledge of PL/SQL language, its architecture, features, interactions with the SQL engine, programming constructs and datatypes. Passing the exam validates your knowledge of subjects such as complex data types, dynamic cursors, external procedures, security features and considerations, and performance-related features such as caching, parallel execution and profiling. 

Knowledge required for the exam

You should have fluency in and a solid understanding of the skills required to fully leverage PL/SQL as part of the foundation of any application built on top of Oracle Database.

Course Structure

The Oracle Database: Advanced PL/SQL (1Z0-148) exam covers the following topics -

1 Designing PL/SQL Code

• Identify guidelines for cursor design

• Use cursor variables

• Use DBMS_SQL functions

• Create subtypes based on existing types

2 Working with Collections

• Manipulate collections

• Distinguish between the different types of collections and their uses

• 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

• Handle session dependencies in a result cache function

• Set up PL/SQL functions to use PL/SQL result caching

• Invoker’s Right function result caching 

• Explain invalidation of  cache results

• Use the DBMS_RESULT_CACHE package

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 Multidisciplinary

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

8 Creating and Managing Collections

• Create and manage nested tables

• Create and manage varrays

• Create and manage associative arrays/PLSQL tables

9 Manipulating Large Objects

• Create and maintain LOB data types

• Differentiate between internal and external LOBs

• Use the DBMS_LOB PL/SQL package

• Use of temporary LOBs

• Describe and use SecureFile LOB

10 Tuning PL/SQL Performance

• Use native and interpreted compilation methods

• Optimize PL/SQL code 

• Enable intraunit inlining

• Use DBMS_PARALLEL_EXECUTE package

11 Analyzing PL/SQL Code

• Use the supplied packages and dictionary views to find coding information

• 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 compile time warnings

• Use conditional compilation

12 Implementing Fine-Grained Access Control for VPD

• Explain the process of fine-grained access control

• Build security policies 

13 Edition-Based Redefinition

• Use Edition-Based Redefinition

Exam Pattern 

• Exam Name:  Oracle Database: Advanced PL/SQL
• Exam Code: 1Z0-148
• Number of Questions: 75
• Passing Score:  62%
• Exam Fee $245 USD 
• Exam Language: English

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