Oracle SQL Intermediate - Data Extraction Training Course
The objective of the course is to enable participants to gain a mastery of how to work with the SQL language in Oracle database for data extraction at intermediate level.
Course Outline
Limiting results
- The WHERE clause
- Comparison operators
- LIKE Condition
- Prerequisite BETWEEN ... AND
- IS NULL condition
- Condition IN
- Boolean operators AND, OR and NOT
- Many of the conditions in the WHERE clause
- The order of the operators.
- DISTINCT clause
SQL functions
- The differences between the functions of one and multilines
- Features text, numeric, date,
- Explicit and implicit conversion
- Conversion functions
- Nesting functions
- Viewing the performance of the functions - dual table
- Getting the current date function SYSDATE
- Handling of NULL values
Aggregating data using the grouping function
- Grouping functions
- How grouping functions treat NULL values
- Create groups of data - the GROUP BY clause
- Grouping multiple columns
- Limiting the function result grouping - the HAVING clause
Subqueries
- Place subqueries in the SELECT command
- Subqueries single and multi-lineage
- Operators Subqueries single-line
- Features grouping in subquery
- Operators Subqueries multi-IN, ALL, ANY
- How NULL values are treated in subqueries
Operators collective
- UNION operator
- UNION ALL operator
- INTERSECT operator
- MINUS operator
Further Usage Of Joins
- Revisit Joins
- Combining Inner and Outer Joins
- Partitioned Outer Joins
- Hierarchical Queries
Further Usage Of Sub-Queries
- Revisit sub-queries
- Use of sub-queries as virtual tables/inline views and columns
- Use of the WITH construction
- Combining sub-queries and joins
Analytics functions
- OVER clause
- Partition Clause
- Windowing Clause
- Rank, Lead, Lag, First, Last functions
Retrieving data from multiple tables (if time at end)
- Types of connectors
- The use NATURAL JOIN
- Aliases tables
- Joins in the WHERE clause
- INNER JOIN
- External Merge LEFT, RIGHT, FULL OUTER JOIN
- Cartesian product
Aggregate Functions (if time at end)
- Revisit Group By function and Having clause
- Group and Rollup
- Group and Cube
Requirements
Recommended attendance on the "Oracle SQL for Beginners" training course
Open Training Courses require 5+ participants.
Oracle SQL Intermediate - Data Extraction Training Course - Booking
Oracle SQL Intermediate - Data Extraction Training Course - Enquiry
Oracle SQL Intermediate - Data Extraction - Consultancy Enquiry
Consultancy Enquiry
Testimonials (5)
I learned complex functions and how to apply them
Ana Alexandrescu - DB Global Technology
Course - Oracle SQL Advanced
how the trainor shows his knowledge in the subject he's teachign
john ernesto ii fernandez - Philippine AXA Life Insurance Corporation
Course - Data Vault: Building a Scalable Data Warehouse
Great comunication, Łukasz explained everything in easy and understandable way
Tomasz Wojciechowski - GP Strategies Poland sp. z o.o.
Course - ORACLE SQL Fundamentals
the trainer was very helpful , the pace of the training was really good and the exercises weren't too hard, also not too easy. whenever I got stuck he helped me out very well and made sure I understood everything.
Jade Stappaerts - KULeuven
Course - Oracle SQL Language
the exercises
Amna AlAli - Federal Demographic Council
Course - Oracle SQL for beginners
Upcoming Courses
Related Courses
Oracle SQL Language
14 HoursThe course answers questions
How to build a query?
What possibilities have SQL?
What is a relational database?
What is the structure and SQL commands
Cluster Analysis with R and SAS
14 HoursThis instructor-led, live training in Pakistan (online or onsite) is aimed at data analysts who wish to program with R in SAS for cluster analysis.
By the end of this training, participants will be able to:
- Use cluster analysis for data mining
- Master R syntax for clustering solutions.
- Implement hierarchical and non-hierarchical clustering.
- Make data-driven decisions to help to improve business operations.
From Data to Decision with Big Data and Predictive Analytics
21 HoursAudience
If you try to make sense out of the data you have access to or want to analyse unstructured data available on the net (like Twitter, Linked in, etc...) this course is for you.
It is mostly aimed at decision makers and people who need to choose what data is worth collecting and what is worth analyzing.
It is not aimed at people configuring the solution, those people will benefit from the big picture though.
Delivery Mode
During the course delegates will be presented with working examples of mostly open source technologies.
Short lectures will be followed by presentation and simple exercises by the participants
Content and Software used
All software used is updated each time the course is run, so we check the newest versions possible.
It covers the process from obtaining, formatting, processing and analysing the data, to explain how to automate decision making process with machine learning.
Data Mining and Analysis
28 HoursObjective:
Delegates be able to analyse big data sets, extract patterns, choose the right variable impacting the results so that a new model is forecasted with predictive results.
Data Mining
21 HoursCourse can be provided with any tools, including free open-source data mining software and applications
Data Mining with Python
14 HoursThis instructor-led, live training (online or onsite) is aimed at data analysts and data scientists who wish to implement more advanced data analytics techniques for data mining using Python.
By the end of this training, participants will be able to:
- Understand important areas of data mining, including association rule mining, text sentiment analysis, automatic text summarization, and data anomaly detection.
- Compare and implement various strategies for solving real-world data mining problems.
- Understand and interpret the results.
Format of the Course
- Interactive lecture and discussion.
- Lots of exercises and practice.
- Hands-on implementation in a live-lab environment.
Course Customization Options
- To request a customized training for this course, please contact us to arrange.
Data Mining with R
14 HoursR is an open-source free programming language for statistical computing, data analysis, and graphics. R is used by a growing number of managers and data analysts inside corporations and academia. R has a wide variety of packages for data mining.
Data Vault: Building a Scalable Data Warehouse
28 HoursIn this instructor-led, live training in Pakistan, participants will learn how to build a Data Vault.
By the end of this training, participants will be able to:
- Understand the architecture and design concepts behind Data Vault 2.0, and its interaction with Big Data, NoSQL and AI.
- Use data vaulting techniques to enable auditing, tracing, and inspection of historical data in a data warehouse.
- Develop a consistent and repeatable ETL (Extract, Transform, Load) process.
- Build and deploy highly scalable and repeatable warehouses.
Oracle SQL for Administrators
21 HoursThis instructor-led, live training in Pakistan (online or onsite) is aimed at beginner-level database administrators and developers who wish to learn SQL to efficiently manage, query, and manipulate data in Oracle databases for administrative and operational tasks.
By the end of this training, participants will be able to:
- Understand Oracle database architecture, including schemas, users, and sessions.
- Write and optimize SQL queries for data retrieval, filtering, and manipulation.
- Use joins, subqueries, and set operators to work with multiple tables and complex queries.
- Perform data aggregation, grouping, and analysis using SQL functions.
- Manage schema objects like views, sequences, and indexes to enhance database operations.
Oracle SQL for Developers
35 HoursThis instructor-led, live training in Pakistan (online or onsite) is aimed at intermediate-level developers and database administrators who wish to use Oracle SQL to design, manage, and optimize database applications and automate tasks efficiently.
By the end of this training, participants will be able to:
- Understand Oracle database architecture and manage users, schemas, and permissions.
- Write optimized SQL queries for data retrieval, manipulation, and analysis.
- Use advanced SQL techniques, including joins, subqueries, and hierarchical queries.
- Design and manage database objects like tables, indexes, views, and sequences.
Oracle SQL Advanced
14 HoursListeners
This course is designed for people who want to use the advanced features of SQL in Oracle
The course answers the questions
- How to build advanced queries?
- How to create advanced reports?
Oracle SQL for beginners
21 HoursListeners
This training is addressed for people starting to work with the SQL language in Oracle database
The course answer for questions:
- How to build a query?
- What possibilities have SQL?
- What is a relational database?
- What is the structure and SQL commands
Oracle SQL for Development and Database Management
35 HoursThis instructor-led, live training in Pakistan (online or onsite) is aimed at intermediate-level database professionals who wish to enhance their skills in Oracle SQL development and administration.
By the end of this training, participants will be able to:
- Build and optimize complex SQL queries.
- Manage databases efficiently using Oracle SQL tools.
- Apply best practices in database development and maintenance.
- Administer user access and database security in an Oracle environment.
ORACLE SQL Fundamentals
14 HoursThis 2 day course gives an introduction to SQL Developer, SQL*Plus and to SQL, the Structured Query Language used to access a Relational Database and includes the new features of the latest version of ORACLE. The principles learnt may also be applied to databases as diverse as Microsoft SQL Server, MySQL, Access, Informix and DB2.
The course takes the format of a workshop, with a mix of lecture, working examples and practical exercises. Although the content may be customised, at least 2 days are needed to cover the core elements.
Full course notes are provided along with sample database files, example SQL files and free software tools for use in accessing an ORACLE database.
Oracle SQL Intermediate
14 HoursAudience
All who want to improve their basic skills in Oracle SQL and also systematize already gained knowledge.
Format of the course
25% lectures, 75% labs