select DEMO_PRODUCT_INFO.PRODUCT_ID as PRODUCT_ID,
    DEMO_PRODUCT_INFO.PRODUCT_NAME as PRODUCT_NAME,
    DEMO_PRODUCT_INFO.PRODUCT_DESCRIPTION as PRODUCT_DESCRIPTION,
    DEMO_PRODUCT_INFO.CATEGORY as CATEGORY,
    DEMO_PRODUCT_INFO.PRODUCT_AVAIL as PRODUCT_AVAIL,
    DEMO_PRODUCT_INFO.LIST_PRICE as LIST_PRICE ,
    APEX_WEB_SERVICE.BLOB2CLOBBASE64(DEMO_PRODUCT_INFO.PRODUCT_IMAGE) as PRODUCT_IMAGE
 from DEMO_PRODUCT_INFO DEMO_PRODUCT_INFO