The SHOW MIGRATION RULE syntax is used to query migration check algorithm.
ShowMigrationCheckAlgorithm ::=
  'SHOW' 'MIGRATION' 'CHECK' 'ALGORITHMS'
| Column | Description | 
|---|---|
| type | migration check algorithm type | 
| supported_database_types | supported database type | 
| description | Description of migration check algorithm | 
SHOW MIGRATION CHECK ALGORITHMS;
mysql> SHOW MIGRATION CHECK ALGORITHMS;
+-------------+--------------------------------------------------------------+----------------------------+
| type        | supported_database_types                                     | description                |
+-------------+--------------------------------------------------------------+----------------------------+
| CRC32_MATCH | MySQL                                                        | Match CRC32 of records.    |
| DATA_MATCH  | SQL92,MySQL,MariaDB,PostgreSQL,openGauss,Oracle,SQLServer,H2 | Match raw data of records. |
+-------------+--------------------------------------------------------------+----------------------------+
2 rows in set (0.03 sec)
SHOW, MIGRATION, CHECK, ALGORITHMS
