SQL و PostgreSQL للمبتدئين: بناء مهارات عملية لقواعد البيانات

SQL and PostgreSQL. You will transition from writing simple data requests to designing robust database schemes and executing complex queries. By reading clear explanations, studying real-world code snippets, and working through structured written exercises, you will develop a deep, practical understanding of relational databases. What you'll learn: 1. Learn foundational database concepts, relational theory, and essential SQL syntax. 2. Build and modify database tables using PostgreSQL and PgAdmin. 3. Query and filter data efficiently using SELECT statements, JOINs,and subqueries. 4. Manage semi-structured data using modern Postgre SQL JSONB data types. 5. Optimize query performance by understanding basic indexing and EXPLAIN plans. 6. Apply data integrity rules with primary keys, foreign keys and constraints. The course begins with essential database definitions and core SQL syntax before progressing to advanced querying techniques, data modeling, and performance optimization. You'll learning entirely through clear, written explan