有效金鑰

Redis 金鑰是二進位制安全的，因此任何東西都可以用作金鑰。唯一的限制是它們必須小於 512MB。

有效金鑰的示例：

7
++++
`~!@#$%^&*()-_=+
user:10134
search/9947372/?query=this%20is%20a%28test%29%20query
<div id="div64">

Any other string less than 512MB in size.
The raw binary content of an image or other binary file.
An entire multi-line text document.
An entire SQL query.
Any integer, hexadecimal, octal, or binary value.
Anything else you can think of less than 512MB in size. 

無效的 Redis 金鑰：

Anything larger than 512MB.