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I feel the course could benefit from an additional module that explains SQL in greater depth. While the lessons introduced what the main clauses are, they didn’t go far enough in teaching how symbols affected how query is written. For example, the course didn’t initially explain the purposes or proper usage of keywords like AS, BETWEEN, nor did it clarify the role of brackets, quotes, semicolons, and other essential characters that impact whether a query runs correctly. Because of this, I often had to look up external tutorials on YouTube or Google just to understand basic syntax rules and how different SQL components fit together. While I did not mind performing my own research, I felt it took away from the learning experience. Having a dedicated glossary or a foundational guide that defines these common SQL terms, symbols, and functions would make a huge difference. It would help learners understand not just what a clause is, but how to apply it—and why certain words or characters are used in specific ways within a query. I say so because there were times I used wrong symbols, for instance ' vs ", or when semicolon ; on the end of query was needed and when not. On one of the practice test there was "END" used which I did not recall.