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latestOpenAPI 3.0.0Apache 2.0 License2026-07-142826341.7 MB

Modifies the parameters of a DB parameter group to the engine/system default value. To reset specific parameters, provide a list of the following: <code>ParameterName</code> and <code>ApplyMethod</code>. To reset the entire DB parameter group, specify the <code>DBParameterGroup</code> name and <code>ResetAllParameters</code> parameters. When resetting the entire group, dynamic parameters are updated immediately and static parameters are set to <code>pending-reboot</code> to take effect on the next DB instance restart or <code>RebootDBInstance</code> request.

get/#Action=ResetDBParameterGroup

Query parameters

DBParameterGroupNamestring required
<p>The name of the DB parameter group.</p> <p>Constraints:</p> <ul> <li> <p>Must match the name of an existing <code>DBParameterGroup</code>.</p> </li> </ul>
ResetAllParametersboolean

A value that indicates whether to reset all parameters in the DB parameter group to default values. By default, all parameters in the DB parameter group are reset to default values.

ParameterNamestring

Specifies the name of the parameter.

ParameterValuestring

Specifies the value of the parameter.

Descriptionstring

Provides a description of the parameter.

Sourcestring

Indicates the source of the parameter value.

ApplyTypestring

Specifies the engine specific parameters type.

DataTypestring

Specifies the valid data type for the parameter.

AllowedValuesstring

Specifies the valid range of values for the parameter.

IsModifiableboolean

Indicates whether (<code>true</code>) or not (<code>false</code>) the parameter can be modified. Some parameters have security or operational implications that prevent them from being changed.

MinimumEngineVersionstring

The earliest engine version to which the parameter can apply.

ApplyMethod'immediate' | 'pending-reboot'

Indicates when to apply parameter updates.

SupportedEngineModesString[]

The valid DB engine modes.

<p>To reset the entire DB parameter group, specify the <code>DBParameterGroup</code> name and <code>ResetAllParameters</code> parameters. To reset specific parameters, provide a list of the following: <code>ParameterName</code> and <code>ApplyMethod</code>. A maximum of 20 parameters can be modified in a single request.</p> <p> <b>MySQL</b> </p> <p>Valid Values (for Apply method): <code>immediate</code> | <code>pending-reboot</code> </p> <p>You can use the immediate value with dynamic parameters only. You can use the <code>pending-reboot</code> value for both dynamic and static parameters, and changes are applied when DB instance reboots.</p> <p> <b>MariaDB</b> </p> <p>Valid Values (for Apply method): <code>immediate</code> | <code>pending-reboot</code> </p> <p>You can use the immediate value with dynamic parameters only. You can use the <code>pending-reboot</code> value for both dynamic and static parameters, and changes are applied when DB instance reboots.</p> <p> <b>Oracle</b> </p> <p>Valid Values (for Apply method): <code>pending-reboot</code> </p>
Action'ResetDBParameterGroup' required
Version'2014-10-31' required

Response

Success