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Course Outline
1. Introduction to Relational Databases <\/p>
- What constitutes a Relational Database? <\/li>
- PostgreSQL architecture and its core components <\/li>
- Overview of PgAdmin and psql utilities <\/li>
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Connecting to a database and comprehending schemas
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<\/ul>
2. SQL Basics <\/p>
- Database objects: tables, columns, and constraints <\/li>
- Data types and handling NULL values <\/li>
- Constructing simple SELECT queries <\/li>
- Filtering using WHERE clauses, pattern matching, and logical operators <\/li>
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Sorting and limiting query outputs
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<\/ul>
3. Working with Functions and Expressions <\/p>
- Arithmetic and string functions <\/li>
- Conditional expressions and case statements <\/li>
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Handling NULLs and performing data type conversions
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<\/ul>
4. Combining and Filtering Data <\/p>
- Inner and outer joins, self-joins, and cross joins <\/li>
- Set operations: UNION, INTERSECT, and EXCEPT <\/li>
- Subqueries: scalar, correlated, and table subqueries <\/li>
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Common Table Expressions (CTEs) and recursive queries
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<\/ul>
5. Aggregation and Grouping <\/p>
- Aggregate functions: SUM, AVG, COUNT, MIN, MAX <\/li>
- GROUP BY and HAVING clauses <\/li>
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Window and ranking functions
<\/li>
<\/ul>
6. Modifying Data <\/p>
- Inserting, updating, and deleting records <\/li>
- Utilizing transactions and rollback mechanisms <\/li>
- Understanding ACID principles <\/li>
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Best practices for safe data manipulation
<\/li>
<\/ul>
7. Database Objects and Logical Structure <\/p>
- Creating and managing schemas and tables <\/li>
- Primary keys, foreign keys, and unique constraints <\/li>
- Creating and managing views and materialised views <\/li>
- Introduction to indexes and their impact on performance <\/li> <\/ul>
Requirements
- A foundational understanding of IT and data concepts <\/li>
- No previous experience with SQL or databases is necessary <\/li>
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Familiarity with using software tools on Windows/Linux systems is beneficial
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<\/ul>
Target Audience <\/p>
- Beginners in databases and data analysts <\/li>
- Developers beginning their journey with PostgreSQL <\/li>
- Professionals managing or exploring relational database systems <\/li> <\/ul>
14 Hours
Testimonials (1)
advance topics hands on + discussion like timescaleDB and hypertable , trainer's knowledge on the subject :)
