Preview:
SELECT CONCAT('Q',QUARTER(`Date`), ' ',YEAR(`Date`))
FROM
  datetable
ORDER BY `Date`;

| CONCAT('Q',QUARTER(`Date`), ' ',YEAR(`Date`)) |
| --------------------------------------------- |
| Q1 2011                                       |
| Q2 2011                                       |
| Q3 2011                                       |
| Q4 2011                                       |
| Q1 2012                                       |
| Q2 2012                                       |
| Q3 2012                                       |
| Q4 2012                                       |
| Q1 2013                                       |
| Q2 2013                                       |
| Q3 2013                                       |
| Q4 2013                                       |
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