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Course Outline
1. Introduction to Relational Databases
- What constitutes a Relational Database?
- PostgreSQL architecture and key components.
- Overview of PgAdmin and psql tools.
- Connecting to a database and understanding schemas.
2. SQL Basics
- Database objects: tables, columns, and constraints.
- Data types and NULL values.
- Writing simple SELECT queries.
- Filtering with WHERE, pattern matching, and logical operators.
- Sorting and limiting query results.
3. Working with Functions and Expressions
- Arithmetic and string functions.
- Conditional expressions and case statements.
- Handling NULLs and data type conversions.
4. Combining and Filtering Data
- Inner and outer joins, self-joins, and cross joins.
- Set operations: UNION, INTERSECT, and EXCEPT.
- Subqueries: scalar, correlated, and table subqueries.
- Common Table Expressions (CTEs) and recursive queries.
5. Aggregation and Grouping
- Aggregate functions: SUM, AVG, COUNT, MIN, MAX.
- GROUP BY and HAVING clauses.
- Window and ranking functions.
6. Modifying Data
- Inserting, updating, and deleting records.
- Using transactions and rollback.
- Understanding ACID principles.
- Safe data manipulation practices.
7. Database Objects and Logical Structure
- Creating and managing schemas and tables.
- Primary keys, foreign keys, and unique constraints.
- Creating and managing views and materialised views.
- Introduction to indexes and their performance implications.
Requirements
- A basic understanding of IT and data concepts.
- No prior experience with SQL or databases is required.
- Familiarity with using software tools on Windows or Linux is advantageous.
Target Audience
- Beginners in databases and analysts.
- Developers new to PostgreSQL.
- Professionals managing or exploring relational databases.
14 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 2600 € + VAT*
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Testimonials (1)
advance topics hands on + discussion like timescaleDB and hypertable , trainer's knowledge on the subject :)
