Who should take the 1z0-148 exam

The 1z0-148 Exam is ideal for those technical professional who want to accelerate their database career, who seeks to have Expert level knowledge in database administration/development covering in depth understanding of PL/SQL. Those taking the course will develop an understanding of PL/SQL Oracle Database and practices in the context of the Oracle 12C Database. It is good for these candidates

• Database administrator
• Database Developer
• Career changers to Oracle Database administration

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

2. Working with Collections

• Distinguish between the different types of collections and their uses
• Manipulate collections
• 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

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

• Reduce attack surfaces
• Use DBMS_ASSERT
• Explain SQL injection

7. Creating and Managing Collections

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

8. Manipulating Large Objects

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

9. Tuning PL/SQL Performance

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

10. Analyzing PL/SQL Code

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

11. Implementing Fine-Grained Access Control for VPD

• Build security policies
• Explain the process of fine-grained access control

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:

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

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1z0-148 Certification Path

The 1z0-148 Certification is expert level certification organized by Oracle mainly focussing to the area of database development and administration. There is prerequisite for this exam ,candidates must PASS one of the following exams :

• Oracle Database 11g: Program with PL/SQL | 1Z0-144
• Oracle Database SQL | 1Z0-071

Those professional who cleared any of the above mentioned exam and having keen to work in the stream of oracle database and want to learn about how to implement oracle 12C Database in the enterprise environment, then 1z0-148 is the right option for them. For more information related to Oracle-certification-track

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