Unpacking the language of data: DDL, DML, Filtering and Transformation.
๐ฐ Dev.to ยท Zawadi Mwikali
Learn the difference between DDL and DML in SQL and how to apply filtering and transformation techniques to manage your data effectively
Action Steps
- Understand the difference between DDL and DML commands in SQL
- Apply DDL commands to create and modify database structures
- Use DML commands to insert, update, and delete data
- Learn filtering techniques using WHERE and HAVING clauses
- Apply transformation techniques using SELECT and JOIN statements
Who Needs to Know This
Data analysts, data scientists, and software engineers can benefit from understanding the basics of SQL commands to manage and manipulate data
Key Insight
๐ก DDL commands modify database structures, while DML commands manipulate data
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