Certification: Oracle Database SQL Certified Expert
Certification Full Name: Oracle Database SQL Certified Expert
Certification Provider: Oracle
Exam Code: 1z0-047
Exam Name: Oracle Database SQL Expert


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"Oracle Database SQL Expert Exam", also known as 1z0-047 exam, is a Oracle certification exam.

Last Updated: Apr 27, 2014
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Oracle Database SQL Certified Expert Product Reviews

Chase The Correct Path

"Hey TestKing, there is so much to say, I don’t know where to begin. First of all, accept a huge thanks for teaching me a system that makes sense and one that works consistently for the SQL Certification test. Although I lack the experience right now, I know that your Oracle resources have saved me the frustration of chasing the wrong indicators, and also saved the massive amount of risk I would have taken figuring it out on my own. I found it extremely useful just to put things into perspective, and have a check in as to where I am currently. Keep up the good work; I will suggest your SQL Certification resources to every peer of mine.

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Proud To Be A Part!

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Alexandra H. Robert"

The Correct Level

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"Today, I have felt so great and satisfied like I have never felt before. Test King’s study tools are to be recommended to everyone, who is going through a bad phase of worrying about their IT exam. I saw my result today, and I had passed my SQL Certification exam with a whooping score of 99%. Test King helped me on each point of preparation for my Oracle exam, with their questions and answers sessions, and their self evaluation tests. I simply had no confusion at all while preparing myself with the Test King study kit. Trust me, I knew the answers to all questions the SQL Certification exam paper was asking me. Thanks Test King.
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"I have a very good experience of using Test-king while I was preparing for my SQL Certification exam. Those days, I remember that I had the competition with my cousin. I wanted to compete him. And I was searching for the ever best learning source. I wanted to get rid of big heavy text-books but wanted to defeat him by taking highest marks in the Oracle exam. Then one of my friends suggested me to use Test-king. When I started taking help from it, I wondered how it could be so easy to learn and understand. And in the long run, I won the bet from him and got higher marks than him in SQL Certification exam.
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"Hi this is Isabella Bernard. My experience with TestKing is great. I actually purchased SQL Certification study guide last year but failed my first test. I did not flunk because of the study guide, I failed because I was unable to manage my time effectively and I ran short. I again started my preparation through the same SQL Certification study guide, as a lot of the information on your study guide was very relevant to the test. So, I appeared again in the SQL Certification exam with the same study guide of yours. This time, my preparation was thorough; I passed the exam with a 91%. Amazing indeed. Today, I am happy, because I made it with a good score, but at the same time, I am sad also because if I would have studied properly last year, I would be doing the advance level SQL Certification this year.

Isabella Bernard"

Certification Overview

The Oracle Database SQL Certified Expert is one of the exams proctored by oracle which provides successful candidates with not only the required skills for working with the powerful SQL programing language but also enables them to master the key concept of a relation database.

Who can do this certification?

Those looking forward to successfully manipulate large data sets are recommended this certification,also those who want to be experts in using the advanced features of SQL in order to query and manipulate data with the database. Oracle Database SQL Certified Experts are able to store and retrieve dates according to different time zones. This certification also enables them to understand the concept of controlling access and privilegesfor scheme objects, controlling privilege at the object and system level and use and use advanced querying and reporting techniques.

Benefits of this certification

Oracle DatabaseSQL Certified Experts can find jobs in different positions like they can work as database administrators (DBA), SQL consultants, business analysts or report analysts. The average salary for those possessing this certificate is between $60,000 and $140,000 per annum.

Associated exam

This certification consists of one exam called 1ZO-047 Oracle Database SQL Exam. This is the first step of the certification path.

Prerequisites

Knowledge in; Oracle Database: SQL Fundamentals I: SQL Fundamentals II.

Topics Covered

The 1ZO-047 Oracle Database SQL Expert Exam

The exam mainly covers the following topics

  • Customizing Output Using Single-Row Functions
    • Describing types of functions available in the SQL
    • Using number, date functions and character in SELECT statement
    • Explain the use of conversion statement

  • Data Use SQL SELECT Statement to retrieve data
    • Sorting Data and restricting them
    • Limit the rows that are retrieved by a query
    • Sorting retrieved by a query
  • Using the Group- Functions to report data that is aggregated
    • Identifying group functions that are available
    • Explain the usage of functional groups
    • Use the GROUP BY clause to group data
    • Use HAVING clause to exclude or include grouped rows
  • The set Operators
    • Set operators description
    • Combining multiple a join query by use of set operators
    • Control of the row returned order
  • Multiple Table Data Display
    • Using noequijoins and equijoins to write select statements that enables access of data from multiple tables
    • Useself-jointo join a table to itself
  • Solving Queries by usingsub-queries
    • Query definition
    • Explanation of the types of problems that sub-queries can solve
    • Sub-query types
    • Writingmultiple row and singlesub-queries
  • Manipulation of Data
    • Describing each data manipulation language (DML) statement
    • Inserting rows from a table into a table deleting rows
    • Update of rows in a table 
  • Regular Expression Sapp
  • Transactions control
  • Deleting rows from a table 
  • Manage Tables by use of DDL Statements and Create them
  • Database objects  Categorization
  • Table structure review
  • Management of Objects with Data Dictionary Views
  • Data management in Different Time Zones
  • Listing the data types that are available for columns 
  • Simple table Creation
  • Describe the process of constraints creation at the time of table creation
  • Creation of Other Schema Objects
  • User Access Control
  • Schema Objects Management
  • Manipulation of Data Sets that are large
  • Reports Generation by Grouping Related Data
  • Use ofsub-queries to retrieve data
  • Hierarchical Retrieval

The exam require training in oracle database: introduction to SQL or one can undergo additional training in Oracle Database: SQL fundamentals I or SQL fundamentals II. Those who have knowledge in earlier courses like Oracle Database 10g: Introduction to SQL, Oracle Database 11g: Introduction to SQL, Oracle Database 10g: SQL Fundamentals I and Oracle Database 10g: SQL Fundamentals II and Oracle Database 11g: SQL Fundamentals I and Oracle Database 11g: SQL Fundamentals II are more advantaged as this knowledge will be beneficial in this exam.

This exam consist of 70 multiple choice questions and a candidate is required to answer them within 120 minutes. The exam is validated against Oracle Database 10g,Oracle Database 11g, Oracle Database 11g Release 2, and Oracle Database 12c.

Validity of the Certification

This certification is valid for as long as certificate of the same is released.

Steps involved in the certification

This certification has three steps:

  1. To complete one of the approved courses as earlier outlined
  2. Exam: The 1Z0-047 Oracle Database SQL Exam.
  3. Form: To complete the required form

Expert Review

Nowadays, for one to get a well-paying job you have to possess a certificate or certificates from highly recognized institution(s). Oracle is one of these recognized institutions. Oracle database SQL Certified Expert Certificate will help you to get these jobs and get job promotions.

Jenny K, Alaska Air Group Inc

Sevilla, Spain.

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