Supported Dialects along with the minimum supported version of the underlying database.

Hibernate version 7.0
Dialect Minimum Database Version

AzureSQLServerDialect

11.0

CockroachDialect

22.2

DB2Dialect

10.5

DB2iDialect

7.1

DB2zDialect

12.1

GenericDialect

0.0

H2Dialect

2.1.214

HANADialect

2.0.50

HSQLDialect

2.6.1

MariaDBDialect

10.5

MySQLDialect

8.0

OracleDialect

19.0

PostgreSQLDialect

12.0

PostgresPlusDialect

12.0

SQLServerDialect

11.0

SpannerDialect

0.0

SybaseASEDialect

16.0

SybaseDialect

16.0

TiDBDialect

5.4