If you want to print Sql, you can replace the commands you want to execute such as queryAll(), queryOne(), execute() with getRawSql();
For example :
If you want to see
$result = Yii::$app->db->createCommand()->update('table', ['name' => $name], "id = {$id}")->execute();
, you can use
echo $sql = Yii::$app->db->createCommand()->update('table', ['name' => $name], "id = {$id}")->getRawSql();
to print it
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