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mysql的表的大小写区分(二)
ary;
Query OK, 5 rows affected (0.08 sec)
Records: 5 Duplicates: 0 Warnings: 0
mysql> select * from t where name like 'A';
+------+
| name |
+------+
| A |
+------+
1 row in set (0.00 sec)
mysql> select name,count(*) from t group by name;
+------+----------+
| name | count(*) |
+------+----------+
| A | 1 |
| B | 1 |
| a | 1 |
| b | 1 |
| c | 1 |
+------+----------+
5 rows in set (0.01 sec)