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---
{
"title": "SHOW-SQL-BLOCK-RULE",
"language": "en"
}
---
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## SQL-BLOCK-RULE
### Name
SHOW SQL BLOCK RULE
### Description
View the configured SQL blocking rules. If you do not specify a rule name, you will view all rules.
grammar:
```sql
SHOW SQL_BLOCK_RULE [FOR RULE_NAME];
```
### Example
1. View all rules.
```sql
mysql> SHOW SQL_BLOCK_RULE;
+------------+----------------------------+---------+- -------------+------------+-------------+--------+- -------+
| Name | Sql | SqlHash | PartitionNum | TabletNum | Cardinality | Global | Enable |
+------------+----------------------------+---------+- -------------+------------+-------------+--------+- -------+
| test_rule | select * from order_analysis | NULL | 0 | 0 | 0 | true | true |
| test_rule2 | NULL | NULL | 30 | 0 | 10000000000 | false | true |
+------------+----------------------------+---------+- -------------+------------+-------------+--------+- -------+
2 rows in set (0.01 sec)
```
2. Make a rule name query
```sql
mysql> SHOW SQL_BLOCK_RULE FOR test_rule2;
+------------+------+---------+---------------+---- -------+-------------+--------+--------+
| Name | Sql | SqlHash | PartitionNum | TabletNum | Cardinality | Global | Enable |
+------------+------+---------+---------------+---- -------+-------------+--------+--------+
| test_rule2 | NULL | NULL | 30 | 0 | 10000000000 | false | true |
+------------+------+---------+---------------+---- -------+-------------+--------+--------+
1 row in set (0.00 sec)
```
### Keywords
SHOW, SQL_BLOCK_RULE
### Best Practice