jaywcjlove / jaywcjlove/mysql-tutorial
UNSIGNED：是指数值类型只能为正数；
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Description
unsigned无符号整数，应该是“非负数”吧？（包含0）
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Research direction
Search the tutorial for “UNSIGNED” and review the surrounding explanation. Update the wording to clarify that unsigned integer values are non-negative and include zero, then check the surrounding MySQL documentation for consistency.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- mysql
- Domain
- databases, documentation
- Issue type
- Documentation
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100