| MySQL Data Types | JAVA data types | JDBC TYPE | Common variable types | Primary key type |
|---|---|---|---|---|
| BIGINT | Long | BIGINT | stand by | stand by |
| TINYINT | Byte | TINYINT | stand by | not support |
| SMALLINT | Short | SMALLINT | stand by | not support |
| MEDIUMINT | Integer | INTEGER | stand by | stand by |
| INTEGER | Integer | INTEGER | stand by | stand by |
| INT | Integer | INTEGER | stand by | stand by |
| FLOAT | Float | REAL | stand by | not support |
| DOUBLE | Double | DOUBLE | stand by | not support |
| DECIMAL | BigDecimal | DECIMAL | stand by | not support |
| NUMERIC | BigDecimal | DECIMAL | stand by | not support |
| CHAR | String | CHAR | stand by | not support |
| VARCHAR | String | VARCHAR | stand by | not support |
| TINYBLOB | DataTypeWithBLOBs.byte[] | BINARY | not support | not support |
| TINYTEXT | String | VARCHAR | stand by | not support |
| BLOB | DataTypeWithBLOBs.byte[] | BINARY | not support | not support |
| TEXT | DataTypeWithBLOBs.String | LONGVARCHAR | not support | not support |
| MEDIUMBLOB | DataTypeWithBLOBs.byte[] | LONGVARBINARY | not support | not support |
| MEDIUMTEXT | DataTypeWithBLOBs.String | LONGVARCHAR | not support | not support |
| LONGBLOB | DataTypeWithBLOBs.byte[] | LONGVARBINARY | not support | not support |
| LONGTEXT | DataTypeWithBLOBs.String | LONGVARCHAR | not support | not support |
| DATE | Date | DATE | stand by | not support |
| TIME | Date | TIME | stand by | not support |
| YEAR | Date | DATE | not support | not support |
| DATETIME | Date | TIMESTAMP | stand by | not support |
| TIMESTAMP | Date | TIMESTAMP | stand by | not support |
The following is a commercial database.
| java.sql.Types value | Java type | IBM DB2 | Oracle | Sybase | SQL | Informix | IBM Content Manager | |
| BIGINT | java.lang.Long | BIGINT | NUMBER (38, 0) | BIGINT | BIGINT | INT8 | DK_CM_BIGINT | |
| BINARY | byte[] | CHAR FOR BIT DATA | RAW | BINARY | IMAGE | BYTE | DK_CM_BLOB | |
| BIT | java.lang.Boolean | N/A | BIT | BIT | BIT | BIT | DK_CM_SMALLINT | |
| BLOB | byte[] | BLOB | BLOB | BLOB | BLOB | BLOB | DK_CM_BLOB | |
| CHAR | java.lang.String | CHAR, GRAPHIC | CHAR | CHAR | CHAR | CHAR | DK_CM_CHAR | |
| CLOB | java.lang.String | CLOB, DBCLOB | CLOB | CLOB | CLOB | CLOB | DK_CM_CLOB | |
| DATE | java.sql.Date | DATE | DATE | DATE | DATE | DATE | DK_CM_DATE | |
| DECIMAL | java.math.BigDecimal | DECIMAL | NUMBER | DECIMAL, MONEY, SMALLMONEY | DECIMAL | DECIMAL | DK_CM_DECIMAL | |
| DOUBLE | java.lang.Double | DOUBLE | DOUBLE PRECISION | DOUBLE PRECISION | DOUBLE PRECISION | DOUBLE PRECISION | DK_CM_DOUBLE | |
| FLOAT | java.lang.Double | FLOAT | FLOAT | FLOAT | FLOAT | FLOAT | DK_CM_DOUBLE | |
| INTEGER | java.lang.Integer | INTEGER | INTEGER | INT | INTEGER | INTEGER | DK_CM_INTEGER | |
| JAVA_OBJECT | java.lang.Object | JAVA_OBJECT | JAVA_OBJECT | JAVA_OBJECT | JAVA_OBJECT | OPAQUE | N/A | |
| LONGVARBINARY | byte[] | LONG VARCHAR FOR BIT DATA | LONG RAW | IMAGE | IMAGE | BYTE | DK_CM_BLOB | |
| LONGVARCHAR | java.lang.String | LONG VARCHAR, LONG VARGRAPHIC | LONG | TEXT | TEXT | TEXT | DK_CM_VARCHAR(3500) | |
| NUMERIC | java.math.BigDecimal | NUMERIC | NUMBER | NUMERIC | NUMERIC | NUMERIC | DK_CM_DECIMAL | |
| OTHER | java.lang.Object | OTHER | OTHER | OTHER | OTHER | OTHER | N/A | |
| REAL | java.lang.Float | REAL | REAL | REAL | REAL | REAL | DK_CM_DOUBLE | |
| SMALLINT | java.lang.Integer | SMALLINT | SMALLINT | SMALLINT | SMALLINT | SMALLINT | DK_CM_INTEGER | |
| TIME | java.sql.Time | TIME | DATE | TIME | TIME | DATETIME HOUR TO SECOND | DK_CM_TIME | |
| TIMESTAMP | java.sql.Timestamp | TIMESTAMP | DATE | DATETIME, SMALLDATETIME | DATETIME | DATETIME YEAR TO FRACTION (5) | DK_CM_TIMESTAMP | |
| TINYINT | java.lang.Bute | SMALLINT | TINYINT |
TINYINT |
TINYINT | TINYINT | DK_CM_INTEGER | |
| VARBINARY | byte[] | VARCHAR FOR BIT DATA | RAW | VARBINARY | IMAGE | BYTE | DK_CM_BLOB | |
| VARCHAR | java.lang.String | VARCHAR, VARGRAPHIC | VARCHAR | VARCHAR | VARCHAR | VARCHAR | DK_CM_VARCHAR |
| java.sql.Types 值 | Java 类型 | IBM DB2 | Oracle | Sybase | SQL | Informix | IBM Content Manager | |
| BIGINT | java.lang.long | BIGINT | NUMBER (38, 0) | BIGINT | BIGINT | INT8 | DK_CM_BIGINT | |
| BINARY | byte[] | CHAR FOR BIT DATA | RAW | BINARY | IMAGE | BYTE | DK_CM_BLOB | |
| BIT | java.lang.Boolean | N/A | BIT | BIT | BIT | BIT | DK_CM_SMALLINT | |
| BLOB | byte[] | BLOB | BLOB | BLOB | BLOB | BLOB | DK_CM_BLOB | |
| CHAR | java.lang.String | CHAR, GRAPHIC | CHAR | CHAR | CHAR | CHAR | DK_CM_CHAR | |
| CLOB | java.lang.String | CLOB, DBCLOB | CLOB | CLOB | CLOB | CLOB | DK_CM_CLOB | |
| DATE | java.sql.Date | DATE | DATE | DATE | DATE | DATE | DK_CM_DATE | |
| DECIMAL | java.math.BigDecimal | DECIMAL | NUMBER | DECIMAL, MONEY, SMALLMONEY | DECIMAL | DECIMAL | DK_CM_DECIMAL | |
| DOUBLE | java.lang.Double | DOUBLE | DOUBLE PRECISION | DOUBLE PRECISION | DOUBLE PRECISION | DOUBLE PRECISION | DK_CM_DOUBLE | |
| FLOAT | java.lang.Double | FLOAT | FLOAT | FLOAT | FLOAT | FLOAT | DK_CM_DOUBLE | |
| INTEGER | java.lang.Integer | INTEGER | INTEGER | INT | INTEGER | INTEGER | DK_CM_INTEGER | |
| JAVA_OBJECT | java.lang.Object | JAVA_OBJECT | JAVA_OBJECT | JAVA_OBJECT | JAVA_OBJECT | OPAQUE | N/A | |
| LONGVARBINARY | byte[] | LONG VARCHAR FOR BIT DATA | LONG RAW | IMAGE | IMAGE | BYTE | DK_CM_BLOB | |
| LONGVARCHAR | java.lang.String | LONG VARCHAR, LONG VARGRAPHIC | LONG | TEXT | TEXT | TEXT | DK_CM_VARCHAR(3500) | |
| NUMERIC | java.math.BigDecimal | NUMERIC | NUMBER | NUMERIC | NUMERIC | NUMERIC | DK_CM_DECIMAL | |
| OTHER | java.lang.Object | OTHER | OTHER | OTHER | OTHER | OTHER | N/A | |
| REAL | java.lang.Float | REAL | REAL | REAL | REAL | REAL | DK_CM_DOUBLE | |
| SMALLINT | java.lang.Integer | SMALLINT | SMALLINT | SMALLINT | SMALLINT | SMALLINT | DK_CM_INTEGER | |
| TIME | java.sql.Time | TIME | DATE | TIME | TIME | DATETIME HOUR TO SECOND | DK_CM_TIME | |
| TIMESTAMP | java.sql.Timestamp | TIMESTAMP | DATE | DATETIME, SMALLDATETIME | DATETIME | DATETIME YEAR TO FRACTION (5) | DK_CM_TIMESTAMP | |
| TINYINT | java.lang.Bute | SMALLINT | TINYINT |
TINYINT |
TINYINT | TINYINT | DK_CM_INTEGER | |
| VARBINARY | byte[] | VARCHAR FOR BIT DATA | RAW | VARBINARY | IMAGE | BYTE | DK_CM_BLOB | |
| VARCHAR | java.lang.String | VARCHAR, VARGRAPHIC | VARCHAR | VARCHAR | VARCHAR | VARCHAR | DK_CM_VARCHAR |