Highlights
- Gain an introduction to SQL, databases and data models
- Learn SQL language essentials
- Understand how databases are constructed and how to query and extract the data stored in them using SQL language
- Explore database design and prepare for implementation
- Understand database tables & structure
- Learn how to define tables and import your data
- Use SQL language and practice implementation
- Become familiar with querying databases and sub-querying
- Acquire skills in data retrieval, data integrity and normalisation
- Explore reporting techniques to present, save and manipulate your data queries
Course Details
Introduction
- What you will learn
- Data Models
- Flat file
- Hierarchical
- Network
Entity-Relationship Concepts
- Relational Data Model
- Terminology
- Entity types and occurrences
- Attributes
- Keys
- Relationships
- Entity-Relationship diagrams
Entity-Relationship Modelling
- Gathering Information
- Entity-Relationship modelling
- Integrating views into a single model
- Complex Relationships
Data Integrity and Normalization
- Keys
- Integrity rules
- Normalization
- First Normal Form
- Second Normal Form
- Third Normal Form
- Denormalizing
Preparing for Implementation
- Attributes and Validation
SQL for Implementation
- CREATE and DROP
- Table
- Index
- Foreign Key
- ALTER
- Security
- GRANT
- REVOKE
Implementing a design
- Defining tables
- Defining Relationships
- Importing data
- Summary
Introduction to Relational Databases
- Relational Databases
- Tables (permanent and temporary), columns, keys
- Relationships
- Course database layout
Projections, Selections and Joins
- Projections
- SELECT (including multi-table)
- Selections
- WHERE clause
- Comparison, range and list operators
- String matching
- ORDER BY clause
- GROUP BY and HAVING clauses
- Joins
- Equijoins
- Inner and Outer joins
- Self joins
- Views
Subqueries
- Operators
- IN / NOT IN
- EXISTS / NOT EXISTS
Updates
- INSERT
- UPDATE
- DELETE
Reports
- Presenting, saving and manipulating your data queries
Who should attend
IT and other professionals who need to learn how to access, query and report on information stored on relational databases using SQL.
Feedback
4.8 out of 5 average
"Our tailored course provided a well rounded introduction and also covered some intermediate level topics that we needed to know. Clive gave us some best practice ideas and tips to take away. Fast paced but the instructor never lost any of the delegates"
Brian Leek, Data Analyst, May 2022
“JBI did a great job of customizing their syllabus to suit our business needs and also bringing our team up to speed on the current best practices. Our teams varied widely in terms of experience and the Instructor handled this particularly well - very impressive”
Brian F, Team Lead, RBS, Data Analysis Course, 20 April 2022