Practice Exam 1Z0-148: Oracle Database 12c: Advanced PL/SQL training

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With this practice exam you test whether you are ready for the Oracle exam 1Z0-148: Oracle Database 12c: Advanced PL / SQL. Our practice exams are designed in a way that they approach the real certification exams as close as possible. Both in content and in the form in which the questions will be asked.


You know whether you are ready to pass for the exam and or in which subjects you will have to invest more time. You also received substantive feedback during the practice exams.


You have followed a course for this certification exam.

Target audience

Database Administrators


Practice Exam 1Z0-148: Oracle Database 12c: Advanced PL/SQL

< 1 uur

Designing PL/SQL Code

  • Identify guidelines for cursor design
  • Use cursor variables
  • Use DBMS_SQL functions and 12c new security features
  • Create subtypes based on existing types
  • Specify a white list of PL/SQL units to access a package
  • Use PL/SQL bind types

Implementing Fine-Grained Access Control for VPD

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

Safeguarding Your Code Against SQL Injection Attacks

  • Explain SQL injection
  • Reduce attack surfaces


  • Grant roles to PL/SQL packages and standalone programs
  • Use invisible columns with %ROWTYPE attribute
  • Use Edition-Based Redefinition


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

Creating and Managing Collections

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

Working with Collections

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

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

Using Advanced Interface Methods

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

Tuning PL/SQL Performance

  • Use native and interpreted compilation methods
  • Optimize PL/SQL code
  • Enable intraunit inlining
  • Use the FETCH FIRST clause
  • Use PL/SQL functions that run faster in SQL

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

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 the UTL_CALL_STACK Package
  • Use compile time warnings
  • Use conditional compilation

Profiling and Tracing PL/SQL Code

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

Course options

We offer several optional training products to enhance your learning experience. If you are planning to use our training course in preperation for an official exam then whe highly recommend using these optional training products to ensure an optimal learning experience. Sometimes there is only a practice exam or/and practice lab available.

Optional practice exam (trial exam)

To supplement this training course you may add a special practice exam. This practice exam comprises a number of trial exams which are very similar to the real exam, both in terms of form and content. This is the ultimate way to test whether you are ready for the exam. 

Optional practice lab

To supplement this training course you may add a special practice lab. You perform the tasks on real hardware and/or software applicable to your Lab. The labs are fully hosted in our cloud. The only thing you need to use our practice labs is a web browser. In the LiveLab environment you will find exercises which you can start immediatelyThe lab enviromentconsist of complete networks containing for example, clients, servers,etc. This is the ultimate way to gain extensive hands-on experience. 


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