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<title>jTDS native to JDBC data type mapping</title>
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<p class="title">jTDS native type mapping</p>
<p>Below is the mapping between native SQL types and java objects.</p>
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<th align="left">Native type</th><th align="left">Java Object</th><th align="left">JDBC Type</th><th align="left">Comment</th>
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<td colspan="4"><p class="title">Numeric types</td>
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<td> tinyint</td><td>java.lang.Integer</td><td>TINYINT</td><td> </td>
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<td> smallint</td><td>java.lang.Integer</td><td>SMALLINT</td><td> </td>
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<td> unsigned smallint</td><td>java.lang.Integer</td><td>INTEGER</td><td>Sybase only</td>
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<td> int</td><td>java.lang.Integer</td><td>INTEGER</td><td> </td>
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<td> unsigned int</td><td>java.lang.Integer</td><td>BIGINT</td><td>Sybase only</td>
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<td> bigint</td><td>java.lang.Long</td><td>BIGINT</td><td>SQL 2000/Sybase 15+</td>
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<td> unsigned bigint</td><td>java.math.BigDecimal</td><td>DECIMAL</td><td>Sybase only</td>
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<td> numeric</td><td>java.math.BigDecimal</td><td>NUMERIC</td><td> </td>
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<td> decimal</td><td>java.math.BigDecimal</td><td>DECIMAL</td><td> </td>
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<td> smallmoney</td><td>java.math.BigDecimal</td><td>DECIMAL</td><td> </td>
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<td> money</td><td>java.math.BigDecimal</td><td>DECIMAL</td><td> </td>
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<td> real</td><td>java.lang.Float</td><td>REAL</td><td> </td>
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<td> float</td><td>java.lang.Double</td><td>DOUBLE</td><td> </td>
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<td colspan="4"><p class="title">Logical type</td>
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<td> bit</td><td>java.lang.Boolean</td><td>BIT</td><td> </td>
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<td colspan="4"><p class="title">Character types</td>
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<td> char</td><td>java.lang.String</td><td>CHAR</td><td> </td>
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<td> varchar</td><td>java.lang.String</d><td>VARCHAR</td><td> </td>
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<td> nchar</td><td>java.lang.String</td><td>CHAR</td><td> </td>
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<td> nvarchar</td><td>java.lang.String</td><td>VARCHAR</td><td> </td>
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<td> unichar</td><td>java.lang.String</td><td>CHAR</td><td>Sybase only</td>
</tr>
<tr>
<td> univarchar</td><td>java.lang.String</td><td>VARCHAR</td><td>Sybase only</td>
</tr>
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<td> text</td><td>java.sql.Clob</td><td>CLOB</td><td> </td>
</tr>
<tr>
<td> ntext</td><td>java.sql.Clob</td><td>CLOB</td><td>Microsoft only</td>
</tr>
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<td> unitext</td><td>java.sql.Clob</td><td>CLOB</td><td>Sybase only</td>
</tr>
<tr>
<td colspan="4"><p class="title">Binary types</td>
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<td> binary</td><td>byte[]</td><td>BINARY</td><td> </td>
</tr>
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<td> varbinary</td><td>byte[]</td><td>VARBINARY</td><td> </td>
</tr>
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<td> image</td><td>java.sql.Blob</td><td>BLOB</td><td> </td>
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<td colspan="4"><p class="title">Datetime types</td>
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<td> smalldatetime</td><td>java.sql.Timestamp</td><td>TIMESTAMP</td><td> </td>
</tr>
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<td> datetime</td><td>java.sql.Timestamp</td><td>TIMESTAMP</td><td> </td>
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<td> date</td><td>java.sql.Date</td><td>DATE</td><td>Sybase only</td>
</tr>
<tr>
<td> time</td><td>java.sql.Time</td><td>TIME</td><td>Sybase only</td>
</tr>
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<td colspan="4"><p class="title">Other types</td>
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<td> uniqueidentifier</td><td>java.lang.String</td><td>VARCHAR</td><td>Microsoft only</td>
</tr>
<tr>
<td> sql_variant</td><td>java.lang.String</td><td>VARCHAR</td><td>MS only TDS7</td>
</tr>
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<td> sql_variant</td><td>Depends on value</td><td>OTHER</td><td>MS only TDS8</td>
</tr>
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