Thus far, we discussed how to write your JDBC Data Mediator Service code to perform some basic select queries and more advanced queries involving filters and multiple tables against a database.
到现在为止,我们讨论了如何编写 JDBC 数据中介服务代码来执行一些基本选择查询和更高级的查询(涉及过滤器和数据库中的多个表)。
FROM the syntax in Listing 2, you can see that a basic select statement requires only a select and a FROM; you must specify what data to select and indicate the location of the data of interest.
从清单2的语法中,可以看到基本的select语句只需要SELECT和FROM语句;必须指定要选择的数据并指明您感兴趣的数据的位置。
Select basic authentication for this example.
本例中选用基本认证方式。
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