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來源：Mapping SQL and Java Data Types
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The following table shows the mapping between SQL and Java data types. They are from JDBC.
| SQL data type | Java data type | |
|---|---|---|
| Simply mappable | Object mappable | |
| CHARACTER | String | |
| VARCHAR | String | |
| LONGVARCHAR | String | |
| NUMERIC | java.math.BigDecimal | |
| DECIMAL | java.math.BigDecimal | |
| BIT | boolean | Boolean |
| TINYINT | byte | Integer |
| SMALLINT | short | Integer |
| INTEGER | int | Integer |
| BIGINT | long | Long |
| REAL | float | Float |
| FLOAT | double | Double |
| DOUBLE PRECISION | double | Double |
| BINARY | byte[] | |
| VARBINARY | byte[] | |
| LONGVARBINARY | byte[] | |
| DATE | java.sql.Date | |
| TIME | java.sql.Time | |
| TIMESTAMP | java.sql.Timestamp | |
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