COUNT ENCRYPT RULE
Description
The COUNT ENCRYPT RULE syntax is used to query the number of encrypt rules for specified database.
Syntax
CountEncryptRule::=
'COUNT' 'ENCRYPT' 'RULE' ('FROM' databaseName)?
databaseName ::=
identifierSupplement
- When
databaseNameis not specified, the default is the currently usedDATABASE. IfDATABASEis not used,No database selectedwill be prompted.
Return value description
| Column | Description |
|---|---|
| rule_name | rule type |
| database | the database to which the rule belongs |
| count | the number of the rule |
Example
- Query the number of encrypt rules for specified database.
COUNT ENCRYPT RULE FROM encrypt_db;mysql> COUNT ENCRYPT RULE FROM encrypt_db;
+-----------+---------------+-------+
| rule_name | database | count |
+-----------+---------------+-------+
| encrypt | encrypt_db | 2 |
+-----------+---------------+-------+
1 row in set (0.01 sec)- Query the number of encrypt rules for current database.
COUNT ENCRYPT RULE;mysql> COUNT ENCRYPT RULE;
+-----------+---------------+-------+
| rule_name | database | count |
+-----------+---------------+-------+
| encrypt | encrypt_db | 2 |
+-----------+---------------+-------+
1 row in set (0.01 sec)Reserved word
COUNT, ENCRYPT, RULE, FROM