MS SQL:

Create:

token binary(32)

Insert:

HASHBYTES('md5', CONVERT (varchar, RAND(CHECKSUM(NEWID()))))+ HASHBYTES('md5', CONVERT (varchar, SYSDATETIME()))

Selec (Get String)

convert(varchar(max),token,2)

Select (Query String)

token=convert(binary(32), 'token_hex_string', 2)

MYSQL:

Create:

token binary(32)

Insert:

unhex(CONCAT(MD5(uuid()),MD5(now())))

Selec (Get String)

hex(token)

Select (Query String)

token=unhex('token_hex_string')

相關文章：