A subsequent query specifying the address column in the CLIENTS table retrieves the address information as a concatenated mailing address.
随后的查询指定了clients表中的address列，从中检索地址信息，并将其作为连接的邮寄地址。
This information is then joined with the CUSTOMER table in order to extract each customer's name, address, and current balance.
然后，将该信息与 CUSTOMER 表连接，以提取客户姓名、地址和当前负债数。
Whether derived from address information, acquired by GPS devices, or otherwise generated, many databases contain geographic coordinates of point locations as separate numeric columns in a table.
无论是从地址信息中推导出来的、由GPS设备获得的还是以其他方式生成的，许多数据库都包含点位置的地理坐标，这些信息在数据库中保存为单独的数字列。
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