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）。

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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。

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Select basic authentication for this example.

本例中选用基本认证方式。

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Customers can select from basic home security with the Simple Security package to total home automation with the Smart Security package.

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He also wants to build an app store for enterprise customers so they can select and download basic apps themselves.

FORBES

What is more, in anticipation of the economic disruptions caused by the on-again-off-again approach of Mikhail Gorbachev to economic reform, many Soviets in recent months have systematically stocked their apartments with up to 2-3 years supply of select foodstuffs and other basic necessities.

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