<tableclass="docutils field-list"frame="void"rules="none"><colgroup><colclass="field-name"><colclass="field-body"></colgroup><tbodyvalign="top"><trclass="field-odd field"><thclass="field-name">Parameters:</th><tdclass="field-body">**signal** – A signal or a list of signals to connect a function to.</td></tr></tbody></table>
Parameters:
**signal** – A signal or a list of signals to connect a function to.
| [[1]](#id4) | Unless this was changed by the packager of your MySQL package. We’ve had reports that the Windows Community Server installer sets up InnoDB as the default storage engine, for example. |
| Format character | Description | Example output |
| --- | --- | --- |
| a | `'a.m.'` or `'p.m.'` (Note that this is slightly different than PHP’s output, because this includes periods to match Associated Press style.) | `'a.m.'` |
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@@ -1469,7 +1468,7 @@ the output would be the string `"09/01/2008"` (the `"SHORT_DATE_FORMAT"` format