What will you in SQL and PostgreSQL: The Complete Developer’s Guide Course
- Write SQL queries to CREATE, READ, UPDATE, and DELETE data in relational databases
- Model complex data relationships using primary/foreign keys, joins, and indexes
- Leverage PostgreSQL–specific features: window functions, CTEs, JSONB data, and full-text search
- Optimize query performance with EXPLAIN plans, indexing strategies, and vacuum maintenance
- Implement transactions, views, triggers, and stored procedures for robust data logic
Program Overview
Module 1: SQL Basics & PostgreSQL Setup
⏳ 45 minutes
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Installing PostgreSQL, pgAdmin, and initializing your first database
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Understanding SQL syntax: SELECT, INSERT, UPDATE, DELETE
Module 2: Data Modeling & Table Design
⏳ 1 hour
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Defining tables with appropriate data types, constraints, and relationships
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Implementing primary keys, foreign keys, and normalization principles
Module 3: Querying & Filtering Data
⏳ 1 hour
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Using WHERE, ORDER BY, LIMIT, and pattern matching (LIKE)
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Applying aggregate functions and GROUP BY for summary reports
Module 4: Joins & Advanced Selects
⏳ 1 hour
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INNER, LEFT/RIGHT/FULL OUTER, and CROSS JOINs
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Subqueries vs. CTEs (WITH clauses) for modular queries
Module 5: PostgreSQL Advanced Features
⏳ 1 hour
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Window functions (ROW_NUMBER, RANK, sliding aggregates)
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Working with JSONB columns, array types, and hstore
Module 6: Performance & Indexing
⏳ 45 minutes
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EXPLAIN ANALYZE to interpret query plans
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B-tree, GIN/GIST indexes and when to use them; VACUUM and autovacuum tuning
Module 7: Transactions, Views & Procedures
⏳ 45 minutes
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ACID properties, BEGIN/COMMIT/ROLLBACK control
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Creating views, updatable views, and writing PL/pgSQL functions and triggers
Module 8: Backup, Restore & Security
⏳ 30 minutes
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Using pg_dump/pg_restore and PITR with WAL files
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Configuring roles, privileges, and SSL connections
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Job Outlook
- SQL and PostgreSQL skills are in high demand for roles such as Database Administrator, Data Analyst, and Backend Developer
- Essential for data-driven positions across tech, finance, healthcare, and e-commerce
- Foundation for advanced database topics: replication, high-availability clustering, and cloud-managed Postgres (RDS, Azure Database)
- Equips you for certifications like PostgreSQL CE and SQL-based assessments in data interviews
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