Importance of wild card ‘*’ in mysql

By | February 21, 2014
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See the Example

Select * from mydoubts_data

+———+————————-+——————–+
| EMPCODE | NAME | SALARAY CODE |
+———+————————-+——————–+
| 787 | Vasanthan | K |
| GORT | Shaji | S |
| GKL | James | P |
| IND | Abdul | ZO |
| VIS | Sunil | F |
+———+————————-+——————–+

For finding all the records from a table we will use the following query.

Select * from mydoubts_data

+———+————————-+——————–+
| EMPCODE | NAME | SALARAY CODE |
+———+————————-+——————–+
| 787 | Vasanthan | K |
| GORT | Shaji | S |
| GKL | James | P |
| IND | Abdul | ZO |
| VIS | Sunil | F |
+———+————————-+——————–+