Oracle Database SQL Expert exam requires in-depth knowledge of SQL. It demonstrates the complete skills required for manipulating large data sets and understanding storing and retrieving data according to different time zones. It also provides knowledge about the concepts of controlling access and privileges for schema objects.
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Full Length Tests
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Oracle Database SQL Expert (1Z0-047) exam leads to the "Oracle Database SQL Certified Expert" certification. This exam have been validated against Oracle Database 10g, Oracle Database 11g, and Oracle Database 12c Release 1.
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Where do I take the exam?
The 1Z0-047 exam is administered by Pearson VUE at the testing centers worldwide. Click here to find a testing center near you.
What is the format of the exam?
Multiple choice questions
What are the pre-requisites of the exam?
While there are no official prerequisites to take the Oracle Database SQL Expert certification, both Oracle and uCertify strongly recommend that the candidates have a good understanding of relational database concepts.
Oracle also recommends the following training prior to taking the exam:
Oracle Database: Introduction to SQL
How many questions are asked in the exam?
The exam contains 75 questions.
What is the duration of the exam?
What is the passing score?
What is the exam's retake policy?
Retake Policy for Oracle 1Z0-047 exam is:
Candidates must wait 14 days before retaking a failed proctored exam. (Registration will be allowed on the 14th day)
Candidates may retake an online non-proctored exam at any time.
Candidates may not retake a passed exam at any time.
Candidates may not retake a beta exam at any time.
What is the validity of the certification?
Oracle certifications have no expiration. The certification holder is certified for life unless Oracle changes its policy.
Click here for more information.
Where can I find more information about this exam?
Lesson 1: Retrieving Data Using the SQL SELECT Statement
List the capabilities of SQL SELECT statements
Execute a basic SELECT statement
Describe how schema objects work
Lesson 2: Restricting and Sorting Data
Limit the rows that are retrieved by a query
Sort the rows that are retrieved by a query
Lesson 3: Using Single-Row Functions to Customize Output
Describe various types of functions that are available in SQL
Use character, number, and date functions in SELECT statements
Describe the use of conversion functions
Lesson 4: Reporting Aggregated Data Using the Group Functions
Identify the available group functions
Describe the use of group functions
Group data by using the GROUP BY clause
Include or exclude grouped rows by using the HAVING clause
Lesson 5: Displaying Data from Multiple Tables
View data that generally does not meet a join condition by using outer joins
Write SELECT statements to access data from more than one table using equijoins and nonequijoins
Join a table to itself by using a self-join
Generate a Cartesian product of all rows from two or more tables
Lesson 6: Using Subqueries to Solve Queries
Describe the types of problems that subqueries can solve
List the types of subqueries
Write single-row and multiple-row subqueries
Lesson 7: Using the Set Operators
Describe set operators
Use a set operator to combine multiple queries into a single query
Control the order of rows returned
Lesson 8: Manipulating Data
Describe each data manipulation language (DML) statement
Insert rows into a table
Update rows in a table
Delete rows from a table
Lesson 9: Using DDL Statements to Create and Manage Tables
Categorize the main database objects
Review the table structure
List the data types that are available for columns
Create a simple table
Explain how constraints are created at the time of table creation
Lesson 10: Creating Other Schema Objects
Create simple and complex views
Retrieve data from views
Create, maintain, and use sequences
Create and maintain indexes
Create private and public synonyms
Lesson 11: Managing Objects with Data Dictionary Views
Use data dictionary views to research data on your objects
Query various data dictionary views
Lesson 12: Controlling User Access
Differentiate system privileges from object privileges
Grant privileges on tables
View privileges in the data dictionary
Distinguish between privileges and roles
Lesson 13: Managing Schema Objects
Create indexes using the CREATE TABLE statement
Creating function-based indexes
Drop columns and set column UNUSED
Perform FLASHBACK operations
Create and use external tables
Lesson 14: Manipulating Large Data Sets
Track the changes to data over a period of time
Manipulate data using subqueries
Describe the features of multitable INSERTs
Use the following types of multitable INSERTs (Unconditional, Conditional, and Pivot)
Merge rows in a table
Lesson 15: Generating Reports by Grouping Related Data
Use the ROLLUP operation to produce subtotal values
Use the CUBE operation to produce cross tabulation values
Use the GROUPING function to identify the row values created by ROLLUP or CUBE
Use GROUPING SETS to produce a single result set
Lesson 16: Managing Data in Different Time Zones
Use various datetime functions
Lesson 17: Retrieving Data Using Subqueries
Write a multiple-column subquery
Use scalar subqueries in SQL
Solve problems with correlated subqueries
Update and delete rows using correlated subqueries
Use the EXISTS and NOT EXISTS operators
Use the WITH clause
Lesson 18: Hierarchical Retrieval
Interpret the concept of a hierarchical query
Create a tree-structured report
Format hierarchical data
Exclude branches from the tree structure
Lesson 19: Regular Expression Support
Regular Expression Functions
Regular Expressions and Check Constraints
I just wanted to say thank you. Yesterday I passed my Oracle SQL Certified Expert 11g exam. Score: 90%. That's it. I already bought 4 different kits and I plan to buy some more.
Percy Salazar del Rosario
Thank you for your honesty.
Thank you also for the good wishes of success that you make to me.
I can assure you that once I have validated the exam 1Z0-047, I will order another kit for the 1Z0-042 and also one for the OCP.
I also have friends who are interested and I\'ll try to guide them towards you.