What is the duration, language, and format of 1z0-148 Exam

• Number of Questions: 75
• Passing score: 62%
• Length of Examination: 120 minutes
• Format: Multiple choices, multiple answers
• Language: 1z0-148 offered in English (U.S.)

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-148

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

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 Java programs from PL/SQL
• Execute external C 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
• Use the DBMS_RESULT_CACHE package
• Invoker's Right function result caching
• Explain invalidation of cache results
• Handle session dependencies in a result cache 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

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

9. Tuning PL/SQL Performance

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

10. Analyzing PL/SQL Code

• Determine identifier types and usages with PL/Scope
• Use compile time warnings
• 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 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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The Oracle 1Z0-148 exam measures various skills, such as:

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

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