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OceanBase

A unified distributed database ready for your transactional, analytical, and AI workloads.

Product Overview
DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

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Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

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    Query databases

    Last Updated:2026-04-20 07:26:00  Updated
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    Description
    Call description
    Prerequisites
    Request path
    Request parameters
    Response parameters
    Examples
    Sample request
    Sample response

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    Description

    You can call this operation to query databases.

    Call description

    Prerequisites

    You have passed the authentication for the OCP application service.

    You have the Read-only permission on the specified tenant.

    Request path

    GET /api/v2/ob/clusters/{id}/tenants/{tenantId}/databases

    Request parameters

    Path parameters

    Parameter
    Type
    Required
    Example value
    Description
    id Integer Yes 1 The ID of the cluster.
    tenantId Integer Yes 5 The ID of the tenant.

    Response parameters

    Parameter
    Type
    Description
    data Object The data returned by the request, including the contents parameter.
    ├─ contents Array The list of databases. For more information about the data structure, see the following table.
    successful Boolean Indicates whether the request was successful.
    timestamp Datetime The timestamp when the server completed the request.
    duration Integer The time taken by the server to process the request, in milliseconds.
    status Integer An HTTP status code.
    traceId String The trace ID of the request. This trace ID is used for troubleshooting.
    server String The address of the server that responded to the request.

    Data structure of the database information

    Parameter
    Type
    Description
    dbName String The name of the database.
    charset String The character set.
    collation String The collation.
    primaryZone String The priorities of the zones.
    readonly Boolean Indicates whether the database was read-only.
    createTime Datetime The creation time.
    connectionUrls Array The list of OBProxies and connection strings.
    ├─ connectionStringType String The type of the connection string. Valid values: * OBPROXY * DIRECT
    ├─ obProxyAddress String The IP address of the OBProxy. This parameter is valid only when the type of the connection string is OBPROXY.
    ├─ obProxyPort Integer The port number of the OBProxy. This parameter is valid only when the type of the connection string is OBPROXY.
    ├─ connectionString String The connection string.
    requiredSize Integer The required size of the database.
    id Integer The ID of the database.

    Examples

    Sample request

    Query databases in Tenant 1000001 of Cluster 1.

    GET /api/v2/ob/clusters/1/tenants/1000001/databases?id=1&tenantId=1000001

    Sample response

    {
      "data": {
        "contents": [
          {
            "charset": "utf8mb4",
            "collation": "utf8mb4_general_ci",
            "connectionUrls": [
              {
                "connectionString": "jdbc:mysql://xxx.xxx.xxx.xxx:2881/oceanbase",
                "type": "DIRECT"
              }
            ],
            "createTime": "2021-09-06T11:38:44.51598+08:00",
            "dbName": "oceanbase",
            "id": 1100611139403777,
            "readonly": false
          },
          {
            "charset": "utf8mb4",
            "collation": "utf8mb4_general_ci",
            "connectionUrls": [
              {
                "connectionString": "jdbc:mysql://xxx.xxx.xxx.xxx:2881/information_schema",
                "type": "DIRECT"
              }
            ],
            "createTime": "2021-09-06T11:38:44.559335+08:00",
            "dbName": "information_schema",
            "id": 1100611139403778,
            "readonly": false
          },
          {
            "charset": "utf8mb4",
            "collation": "utf8mb4_general_ci",
            "connectionUrls": [
              {
                "connectionString": "jdbc:mysql://xxx.xxx.xxx.xxx:2881/mysql",
                "type": "DIRECT"
              }
            ],
            "createTime": "2021-09-06T11:38:44.550886+08:00",
            "dbName": "mysql",
            "id": 1100611139403779,
            "readonly": false
          },
          {
            "charset": "utf8mb4",
            "collation": "utf8mb4_general_ci",
            "connectionUrls": [
              {
                "connectionString": "jdbc:mysql://xxx.xxx.xxx.xxx:2881/test",
                "type": "DIRECT"
              }
            ],
            "createTime": "2021-09-06T11:38:44.567822+08:00",
            "dbName": "test",
            "id": 1100611139404776,
            "readonly": false
          }
        ]
      },
      "duration": 429,
      "server": "a83ad33525",
      "status": 200,
      "successful": true,
      "timestamp": "2021-09-06T20:22:14.85+08:00",
      "traceId": "58294ce0e07243a4"
    }
    

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    What is on this page
    Description
    Call description
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    Response parameters
    Examples
    Sample request
    Sample response