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How to use distinct() command in MySQL

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Release: 2023-05-27 10:02:18
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distinct()

Command: distinct

Function: Deduplication

Application scenario: When statistical type, status, and distinction are required .

Example:

mysql> select count(distinct(name))/count(*) from t_base_user;
+--------------------------------+
| count(distinct(name))/count(*) |
+--------------------------------+
|    0.6667 |
+--------------------------------+
1 row in set (0.00 sec)
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