SQL完全掌握 - 從資料庫建立到成為資料處理高手

Learn Standard SQL in just 24 hours! This course provides a solid foundation in essential SQL syntax for managing relational databases. You'll master key concepts including:

• Data Manipulation: Learn to add, modify, and delete data efficiently.
• Data Retrieval: Develop powerful querying skills to extract the information you need.
• Aggregate Functions: Utilize functions like SUM, AVG, COUNT, MIN, and MAX to analyze data.
• Joins: Combine data from multiple tables using various join types (INNER, LEFT, RIGHT, FULL).
• Grouping & Statistics: Employ GROUP BY clauses and aggregate functions for insightful data summaries.
• Subqueries: Master the use of subqueries to create complex and efficient queries.

This comprehensive SQL training isn't limited to PostgreSQL. The standard SQL syntax is widely compatible and works with popular relational databases such as:

• Oracle
• MySQL
• Microsoft SQL Server
• IBM DB2

Beyond SQL syntax, you'll gain a strong understanding of crucial database concepts:

• Transaction Management (ACID properties): Understand the principles of reliable data transactions.
• Relational Database Design: Learn why relational databases are designed the way they are.
• Primary Keys & Foreign Keys: Master the concepts of data integrity and relationships.
• Database Normalization: Understand normalization principles and when it's appropriate to deviate.
• Database Backup & Restore: Learn essential strategies for data protection and recovery.

Want a deeper dive? Watch the preview video to explore the course content further!