13,468
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Data cleaning: Difference between revisions
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→check if field value was not fulfilled: NULL, empty value
| Line 38: | Line 38: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan="4">VARCHAR</td> | <td rowspan="4">{{kbd | key = VARCHAR}} and allows {{kbd | key = NULL}}</td> | ||
<td>fulfilled value ex:123</td> | <td>fulfilled value ex:123</td> | ||
<td></td> | <td></td> | ||
| Line 46: | Line 46: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>NULL</td> | <td>{{kbd | key = NULL}}</td> | ||
<td>V</td> | <td>V</td> | ||
<td></td> | <td></td> | ||