# 常见问题
本文介绍云数据库RDS各产品的常见问题文档索引。
| 产品类型                    | 常见问题                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 文档索引                                                                      |
|:---|:---|:---|
| 云数据库 RDS for MySQL      | - [RDS for MySQL实例支持哪些加密函数](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0178.html)  - [RDS for MySQL是否兼容MariaDB](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0071.html)  - [RDS for MySQL是否支持TokuDB](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0069.html)  - [哪些内容会占用用户所购买的RDS for MySQL实例空间](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0047.html)  - [RDS实例连接失败怎么办](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0218.html)  - [如何查看RDS for MySQL数据库的连接情况](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0227.html)  - [RDS for MySQL 8.0是否支持全文检索](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_1001.html)  - [mysqlbinlog工具使用方法](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_1003.html)                                                          | [常见问题](https://support.huaweicloud.com/rds-mysql_faq/rds_faq_0146.html)   |
| 云数据库 RDS for PostgreSQL | - [创建RDS for PostgreSQL实例需要多长时间](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0058.html)  - [RDS for PostgreSQL购买磁盘加密后，备份文件会加密吗](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0236.html)  - [RDS for PostgreSQL是否支持CloudPond](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0065.html)  - [哪些内容会占用用户所购买的RDS for PostgreSQL实例空间](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0047.html)  - [RDS for PostgreSQL数据库连接数满的排查思路](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0019.html)  - [RDS for PostgreSQL的备份是如何收费的](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0074.html)  - [RDS for PostgreSQL中是否支持恢复单表信息](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0164.html)  - [如何设置RDS for PostgreSQL实例支持test_decoding插件](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0119.html)   | [常见问题](https://support.huaweicloud.com/rds-pg_faq/rds_faq_0146.html)      |
| 云数据库 RDS for SQL Server | - [创建RDS for SQL Server实例需要多长时间](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0058.html)  - [RDS for SQL Server是否支持磁盘缩容](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0068.html)  - [RDS for SQL Server连接不上的判断方法](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0100.html)  - [RDS for SQL Server中主实例的账号删除重建后，权限是否会自动同步](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0167.html)  - [RDS for SQL Server如何搭建AD域](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0112.html)  - [删除RDS for SQL Server主备实例数据库报错](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0059.html)  - [RDS for SQL Server的备份是如何收费的](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0074.html)  - [RDS for SQL Server自动差备是如何产生的](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0115.html)                        | [常见问题](https://support.huaweicloud.com/rds-mssql_faq/rds_faq_0146.html)   |
| 云数据库 RDS for MariaDB    | - [创建RDS for MariaDB实例需要多长时间](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0058.html)  - [RDS for MariaDB是否兼容RDS for MySQL](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0071.html)  - [哪些内容会占用用户所购买的RDS for MariaDB实例空间](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0047.html)  - [RDS for MariaDB数据库连接数满的排查思路](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0019.html)  - [RDS for MariaDB绑定公网IP后无法ping通的解决方案](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0067.html)  - [如何清理云数据库RDS for MariaDB的备份空间](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0237.html)                                                                                                                                                                                                                                                                                                            | [常见问题](https://support.huaweicloud.com/rds-mariadb_faq/rds_faq_0146.html) |