转自http://blog.csdn.net/jialinqiang/article/details/8679171
在配置hibernate.cfg.xml时需指定使用数据库的方言：
例：
<property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>以下是各数据库对应的方言（Dialect）：
| 数据库 | 方言（Dialect) |
|---|---|
| DB2 | org.hibernate.dialect.DB2Dialect |
| DB2 AS/400 | org.hibernate.dialect.DB2400Dialect |
| DB2 OS390 | org.hibernate.dialect.DB2390Dialect |
| PostgreSQL | org.hibernate.dialect.PostgreSQLDialect |
| MySQL5 | org.hibernate.dialect.MySQL5Dialect |
| MySQL5 with InnoDB | org.hibernate.dialect.MySQL5InnoDBDialect |
| MySQL with MyISAM | org.hibernate.dialect.MySQLMyISAMDialect |
| Oracle（any version） | org.hibernate.dialect.OracleDialect |
| Oracle 9i | org.hibernate.dialect.Oracle9iDialect |
| Oracle 10g | org.hibernate.dialect.Oracle10gDialect |
| Oracle 11g | org.hibernate.dialect.Oracle10gDialect |
| Sybase | org.hibernate.dialect.SybaseASE15Dialect |
| Sybase Anywhere | org.hibernate.dialect.SybaseAnywhereDialect |
| Microsoft SQL Server 2000 | org.hibernate.dialect.SQLServerDialect |
| Microsoft SQL Server 2005 | org.hibernate.dialect.SQLServer2005Dialect |
| Microsoft SQL Server 2008 | org.hibernate.dialect.SQLServer2008Dialect |
| SAP DB | org.hibernate.dialect.SAPDBDialect |
| Informix | org.hibernate.dialect.InformixDialect |
| HypersonicSQL | org.hibernate.dialect.HSQLDialect |
| H2 Database | org.hibernate.dialect.H2Dialect |
| Ingres | org.hibernate.dialect.IngresDialect |
| Progress | org.hibernate.dialect.ProgressDialect |
| Mckoi SQL | org.hibernate.dialect.MckoiDialect |
| Interbase | org.hibernate.dialect.InterbaseDialect |
| Pointbase | org.hibernate.dialect.PointbaseDialect |
| FrontBase | org.hibernate.dialect.FrontbaseDialect |
| Firebird | org.hibernate.dialect.FirebirdDialect |