{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In the fee grant module, how can I revoke the authorized authorization information?","a":"In MySQL, you can use the `REVOKE` statement to revoke authorized permission information. Here is the full statement example:\\n\\n```sql\\nREVOKE permission_list ON database_name．table_name FROM username@'IP_address';\\n```\\n\\nFor example, if you want to revoke all permissions of the user `wang` in the database `huanqiu`,  you can use the following statement:\\n\\n```sql\\nREVOKE ALL ON huanqiu.* FROM wang@'192.168."}]}],"pr":"de4e393b17e47c55a03a17854458ed9acb1b49158d6a3acdccd341ac0df6a2df"}