数据库类型和Java类型之间的关系

  数据库类型和Java类型之间的关系：              

    DBC Type                            Java Type 
    CHAR                                     String 
    VARCHAR                              String 
    LONGVARCHAR                    String 
    NUMERIC                        java.math.BigDecimal 
    DECIMAL                         java.math.BigDecimal 
    BIT                                        boolean
    BOOLEAN                            boolean 
    TINYINT                                  byte 
    SMALLINT                              short 
    INTEGER                                int 
    BIGINT                                    long 
    REAL                                      float 
    FLOAT                                   double 
    DOUBLE                               double 
    BINARY                                 byte[] 
    VARBINARY                          byte[] 
    LONGVARBINARY                byte[] 
    DATE                                  java.sql.Date 
    TIME                                   java.sql.Time 
    TIMESTAMP                       java.sql.Timestamp 
    CLOB                                     Clob 
    BLOB                                     Blob 
    ARRAY                                  Array 
    DISTINCT                           mapping of underlying type 
    STRUCT                                Struct 
    REF                                        Ref