SHOW COLLATION

语法说明

显示 MatrixOne 支持字符集的排序规则。默认情况下，SHOW COLLATION 的输出包括所有可用的排序规则。LIKE 子句（如果存在）指示要匹配的排序规则名称。WHERE 子句可以使用更一般的条件来选择行。

语法结构

> SHOW COLLATION
    [LIKE 'pattern' | WHERE expr]

示例

mysql> show collation;
+-------------+---------+------+----------+---------+
| Collation   | Charset | Id   | Compiled | Sortlen |
+-------------+---------+------+----------+---------+
| utf8mb4_bin | utf8mb4 |   46 | Yes      |       1 |
+-------------+---------+------+----------+---------+
1 row in set (0.00 sec)

mysql> show collation like '%';
+-------------+---------+------+----------+---------+
| Collation   | Charset | Id   | Compiled | Sortlen |
+-------------+---------+------+----------+---------+
| utf8mb4_bin | utf8mb4 |   46 | Yes      |       1 |
+-------------+---------+------+----------+---------+
1 row in set (0.00 sec)

mysql> show collation where 'Charset'='utf8mb4';
+-------------+---------+------+----------+---------+
| Collation   | Charset | Id   | Compiled | Sortlen |
+-------------+---------+------+----------+---------+
| utf8mb4_bin | utf8mb4 |   46 | Yes      |       1 |
+-------------+---------+------+----------+---------+
1 row in set (0.00 sec)