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Oracle 1Z0-148 is a new certification exam regarding Oracle Database. It is intended for the application developers and database administrators who have fundamental knowledge of PL/SQL and SQL.

The exam is known as Oracle DB: Advanced PL/SQL and is meant to validate that the database administrators and application developers know how to use the complex features of PL/SQL in designing and adjust PL/SQL to interface databases among applications. The 1Z0-148 test is an Oracle certification exam that an individual must pass to earn the Oracle DB PL/SQL Developer Certified Professional credential.

Before the release of the 1Z0-148 exam on June, 2018, the candidates took the old version of the test. The new Oracle 1Z0-148 test is an improved version. One of its main purposes is to support a more streamlined modern exam release cycle. The exam is not limited with any particular version or edition of Oracle Database. It supports both Oracle Database 11g and Oracle Database 12c. There are 75 questions in the test. The exam time is 110 minutes. To pass the exam, one needs to score 62%.

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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

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

2. Working with Collections

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

3. Using Advanced Interface Methods

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

4. Improving Performance with Caching

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

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
• Explain SQL injection
• Reduce attack surfaces

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

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

9. Tuning PL/SQL Performance

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

10. Analyzing PL/SQL Code

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

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

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