有时您需要检查一个用户连接到公司 LDAP 目录或数据库的认证凭证，对此进行高速缓存的操作就是这样的事务。

Sometimes you need to check a user's authentication credentials with a connection to a corporate LDAP directory or database, and the operation to cache is this transaction.

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SQLJ可以通过在编译时使用数据库连接，对代码执行语法和语义上的检查。

SQLJ can perform syntactic and semantic checking on the code, using database connections at compile time.

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但是，如果有客户机的话，这些步骤可能有助于检查远程系统到数据库的连接。

These steps, however, may be useful if a client is available, to check connectivity to databases from a remote system.

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