调用 ListDatabases 接口查询数据库实例的数据库列表。 ## 请求类型同步请求。 ## 请求参数 |**名称** |**类型** |**是否必填** |**示例值** |**描述** | |---|---|---|---|---| |InstanceID |String |是 |mysql\-bf120f\*\*\*\*\*\* |数据库实例 ID。|\ | | | | |:::tip|\ | | | | |您可以按需选择以下接口查询实例 ID：|\ | | | | ||\ | | | | |* 您可以调用 [DescribeDBInstances](https://www.volcengine.com/docs/6313/170652) 接口查询 MySQL 的实例 ID。|\ | | | | |* 调用 [DescribeDBInstances](https://www.volcengine.com/docs/6357/96188) 接口查询 veDB MySQL 的实例 ID。|\ | | | | ||\ | | | | |:::| |InstanceType |String |是 |MySQL |数据库类型，当前支持的数据库如下所示。|\ | | | | ||\ | | | | |* `MySQL`：云数据库 MySQL 版。|\ | | | | |* `VeDBMySQL`：云数据库 veDB MySQL 版。 | |PageNumber |Integer |是 |1 |分页页码。 | |PageSize |Integer |是 |20 |分页大小。 | ## 返回参数 |**名称** |**类型** |**示例值** |**描述** | |---|---|---|---| |Total |Integer|5|数据库实例的数据库数量。 |\ | | | | | |Items |Array of DatabaseInfo |[DatabaseInfo](https://www.volcengine.com/docs/6956/152615#mnybcxbN) |数据库元信息列表。 | ## 请求示例 ```JSON POST /?Action=ListDatabases&Version=2018-01-01 HTTP/1.1 Accept: application/json Content-Type: application/json Host: dbw.volcengineapi.com X-Date: 20210328T100802Z Authorization: HMAC-SHA256 Credential=AKLTYmYwNjAzYjFmMjRkNDQwZWI4MzI1MzhjZGYyM******/20210328/cn-beijing/dbw/request, SignedHeaders=x-date, Signature=e1d274292f8b36eb096e1d2fec02822bd2e5cb3435699938adb7341861****** { "InstanceID": "mysql-bf120f******", "InstanceType": "MySQL", "PageNumber": 1, "PageSize": 20 } ``` ## 返回示例 ```JSON { "ResponseMetadata": { "RequestId": "20251127180119BB7A62069093F9370963-6a1de6", "Action": "ListDatabases", "Version": "2018-01-01", "Service": "dbw", "Region": "cn-beijing" }, "Result": { "Items": [ { "CType": "", "CharacterSetName": "utf8", "CollationName": "utf8_general_ci", "Description": "", "IsSystemDB": true, "Limit": "", "Name": "information_schema" }, { "CType": "", "CharacterSetName": "utf8", "CollationName": "utf8_general_ci", "Description": "", "IsSystemDB": false, "Limit": "", "Name": "__recycle_bin__" }, { "CType": "", "CharacterSetName": "utf8mb4", "CollationName": "utf8mb4_general_ci", "Description": "", "IsSystemDB": false, "Limit": "", "Name": "company" }, { "CType": "", "CharacterSetName": "utf8", "CollationName": "utf8_general_ci", "Description": "", "IsSystemDB": true, "Limit": "", "Name": "mysql" }, { "CType": "", "CharacterSetName": "utf8", "CollationName": "utf8_general_ci", "Description": "", "IsSystemDB": true, "Limit": "", "Name": "performance_schema" }, { "CType": "", "CharacterSetName": "utf8", "CollationName": "utf8_general_ci", "Description": "", "IsSystemDB": true, "Limit": "", "Name": "sys" } ], "Total": 6 } } ``` ## 错误码更多详情，请参见[错误码](https://www.volcengine.com/docs/6956/152613)。

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