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Duration 14 hours
Course Outline
1. Introduction to Relational Databases
- Defining the concept of a relational database
- Exploring PostgreSQL architecture and core components
- An overview of PgAdmin and psql utility tools
- Connecting to databases and understanding schema structures
2. Fundamentals of SQL
- Core database objects: tables, columns, and constraints
- Data types and the handling of NULL values
- Constructing basic SELECT queries
- Filtering data using WHERE clauses, pattern matching, and logical operators
- Ordering and restricting query output
3. Utilizing Functions and Expressions
- Arithmetic and string manipulation functions
- Conditional logic and CASE statements
- Managing NULLs and performing data type conversions
4. Combining and Filtering Data
- Joining tables: Inner, Outer, Self, and Cross joins
- Set operations: UNION, INTERSECT, and EXCEPT
- Subquery types: scalar, correlated, and table subqueries
- Common Table Expressions (CTEs) and recursive queries
5. Aggregation and Grouping Data
- Using aggregate functions: SUM, AVG, COUNT, MIN, MAX
- Applying GROUP BY and HAVING clauses
- Window functions and ranking
6. Data Manipulation
- Inserting, updating, and deleting records
- Managing transactions and rollbacks
- Understanding ACID principles
- Best practices for safe data manipulation
7. Database Objects and Logical Structure
- Creating and managing schemas and tables
- Primary keys, foreign keys, and unique constraints
- Building and managing views and materialised views
- Introduction to indexes and their impact on performance
Requirements
- A solid grasp of basic IT and data concepts
- No previous experience with SQL or databases is necessary
- Experience using software on Windows or Linux is beneficial
Target Audience
- Individuals new to databases and data analysts
- Developers beginning their journey with PostgreSQL
- Professionals who manage or are investigating relational databases
Testimonials (3)
CTE and indexes. Maybe more likely to use partitioning, explain analyze and vacuum on daily-base work
Lorenzo Antonelli - Innova S.P.A
Course - PostgreSQL Fundamentals
Index understanding and usage, improvements on db performances
Matteo Baldini - Innova S.P.A
Course - PostgreSQL Fundamentals
advance topics hands on + discussion like timescaleDB and hypertable , trainer's knowledge on the subject :)
