* @param tableName TableName of the row to be updated
* @param primaryKeyValue Primary key value of the row to be updated
* @return Builder to define the updates to be performed
*/
public DbChangeGroupActionBuilder newUpdateAction(String tableName, Object primaryKeyValue) {
AbstractActionBuilder actionBuilder = DbActionUtils.newUpdateAction(this.parentBuilder.dbConn, tableName, primaryKeyValue);
return new DbChangeGroupActionBuilder(this, actionBuilder);
}