| Mysql | Oracle | Java |
| BIGINT | NUMBER(19,0) | java.lang.Long |
| BIT | RAW | byte[] |
| BLOB | BLOB RAW | byte[] |
| CHAR | CHAR | java.lang.String |
| DATE | DATE | java.sql.Date |
| DATETIME | DATE | java.sql.Timestamp |
| DECIMAL | FLOAT (24) | java.math.BigDecimal |
| DOUBLE | FLOAT (24) | java.lang.Double |
| DOUBLE PRECISION | FLOAT (24) | java.lang.Double |
| ENUM | VARCHAR2 | java.lang.String |
| FLOAT | FLOAT | java.lang.Float |
| INT | NUMBER(10,0) | java.lang.Integer |
| INTEGER | NUMBER(10,0) | java.lang.Integer |
| LONGBLOB | BLOB RAW | byte[] |
| LONGTEXT | CLOB RAW | java.lang.String |
| MEDIUMBLOB | BLOB RAW | byte[] |
| MEDIUMINT | NUMBER(7,0) | java.lang.Integer |
| MEDIUMTEXT | CLOB RAW | java.lang.String |
| NUMERIC | NUMBER | |
| REAL | FLOAT (24) | |
| SET | VARCHAR2 | java.lang.String |
| SMALLINT | NUMBER(5,0) | java.lang.Integer |
| TEXT | VARCHAR2 CLOB | java.lang.String |
| TIME | DATE | java.sql.Time |
| TIMESTAMP | DATE | java.sql.Timestamp |
| TINYBLOB | RAW | byte[] |
| TINYINT | NUMBER(3,0) | java.lang.Boolean |
| TINYTEXT | VARCHAR2 | java.lang.String |
| VARCHAR | VARCHAR2 CLOB | java.lang.String |
| YEAR | NUMBER | java.sql.Date（日期设为2月1日晚上2点） |