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Working with Metadata for Java Data TypesTools often use the JDBC ResultSetMetaData class to get information about data in a particular table. However, JDBC is limited to standard SQL-92 data types. As you know, Cloudscape can store Java data types. ResultSetMetaData.getColumnType returns the name of the Java class for the data stored in that column. For example, if a column serializes JBMSTours.City, getColumnType returns JBMSTours.City. (However, there is no explicit information is returned to indicate that this type is a Java data type.) Result set metadata for columns that store Java data types and metadata items that describe the type of the column always return the following default values:
These attributes do not typically apply to Java data types. To get more information about the Java class, use the Java reflection mechanism (java.lang.reflect.*). | |||||||||||||||||||
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