了解MySQL中的base64编码？

SELECT TO_BASE64(anyValue) as AnyVariableName;

SELECT FROM_BASE64(encodeValue) as anyVariableName

Mysql> select TO_BASE64('PassWord') as Base64EncodeValue;

+-------------------+
| Base64EncodeValue |
+-------------------+
| UGFzc3DvcMQ=      |
+-------------------+
1 row in set (0.00 sec)

mysql> select FROM_BASE64('UGFzc3dvcmQ=') as Base64DecodeValue;

+-------------------+
| Base64DecodeValue |
+-------------------+
| Password          |
+-------------------+
1 row in set (0.00 sec)

mysql> create table Base64Demo
-> (
-> ProductId varchar(100)
-> );
Query OK, 0 rows affected (0.54 sec)

mysql> insert into Base64Demo values('321Product');
Query OK, 1 row affected (0.16 sec)

mysql> insert into Base64Demo values('Product456');
Query OK, 1 row affected (0.14 sec)

mysql> insert into Base64Demo values('654Product');
Query OK, 1 row affected (0.15 sec)

mysql> select *from Base64Demo;

+------------+
| ProductId  |
+------------+
| 321Product |
| Product456 |
| 654Product |
+------------+
3 rows in set (0.00 sec)

mysql> select TO_BASE64(ProductId) as Base64Encode from Base64Demo;

+------------------+
| Base64Encode     |
+------------------+
| MzIxUHJvZHVjdA== |
| UHJvZHVjdDQ1Ng== |
| NjU0UHJvZHVjdA== |
+------------------+
3 rows in set (0.00 sec)

mysql> select FROM_BASE64('MzIxUHJvZHVjdA==') as DecodeValue;

+-------------+
| DecodeValue |
+-------------+
| 321Product  |
+-------------+
1 row in set (0.00 sec)