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Data cleaning: Difference between revisions
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→VARCHAR and allows NULL value
| Line 80: | Line 80: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td rowspan=" | <td rowspan="5">{{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 88: | Line 88: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>{{kbd | key = NULL}}</td> | <td>{{kbd | key = NULL}} type:null</td> | ||
<td>V</td> | <td>V</td> | ||
<td></td> | <td></td> | ||
<td>V</td> | <td>V</td> | ||
<td></td> | |||
</tr> | |||
<tr> | |||
<td>{{kbd | key = 'NULL'}} type:string</td> | |||
<td></td> | |||
<td></td> | |||
<td></td> | |||
<td></td> | <td></td> | ||
</tr> | </tr> | ||