Data Definition & Manipulation
Get familiar with Data Definition Language (DDL) commands such as CREATE, ALTER, DROP, and managing indexes. Dive into Data Manipulation Language (DML) with INSERT, UPDATE, and DELETE commands to modify your data efficiently.
Query Filtering, Sorting, & Aggregation
Filter and sort data using conditions like WHERE, AND, OR, and ORDER BY, while leveraging aggregation functions like SUM, AVG, COUNT, MIN, and MAX for powerful data analysis.
Joins, Subqueries, & Views
Learn to combine datasets with INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN. Utilize subqueries and correlated subqueries to enhance data filtering. Explore views for simplifying complex queries.
Advanced SQL Queries & Optimization
Delve into advanced queries using Window Functions, Common Table Expressions (CTEs), and techniques for query optimization to ensure high performance.
Database Design & Integrity
Build strong database structures with Entity-Relationship Diagrams (ERDs), and normalization techniques, and enforce data integrity with Primary and Foreign Keys.
Data Import/Export & Optimization
Effortlessly import and export data in formats like CSV and JSON, and optimize queries for enhanced performance and faster results.