Database Connection a client connects to the database using the connect or the use statement specifying the database name and optionally the userid and password.
数据库连接客户机使用CONNECT或use语句连接数据库，这时要指定数据库名，还可以指定用户id和密码。
You can also call other functions and subs (outside of the class), and you can even call classes, functions, and subs from script libraries that are referenced with a Use statement.
也可以调用其他函数和sub(类以外的)，甚至可以使用use语句引用script库，从script库中调用类、函数和sub。
The good news is that we don't have to change our code if we switch databases, except for the places -- such as the use statement and the new statement -- where we mention Persistent::MySQL by name.
令人欣慰的是，除了通过名称来引用Persistent::MySQL 之外（例如use语句和new 语句），在切换数据库时不需要更改代码。
"Nothing lives for ever!" However, in this statement we think of artificially produced, technical objects, products which are subjected to natural wear and tear during use.
“没有什么是永远存在的！”然而，在这个陈述中，我们想到的是人工制造的技术性物体和产品，它们在使用过程中受到自然磨损。
When prompted, you can type in your query statement directly or use the wizards to help you create one.
当出现提示时，您可以直接键入查询语句或者使用向导帮助您创建一个查询语句。
You can use a SIGNAL statement to raise an error condition if the business rule defined in your trigger is violated.
如果违反了您在触发器中定义的业务规则，就可以使用signal语句来抛出一个错误条件信号。
Use the RENAME statement to rename a column, table, or database on every participant in the replicate.
使用RENAME语句重新命名执行复制的每个成员的列、表或数据库。
Use the SET statement to alter existing fields in the logical tree or to create them in circumstances where they do not already exist.
使用set语句来更改逻辑树中现有的字段或者在这些字段不存在的情况下创建它们。
Use this statement when you want a server option setting to remain in effect only while your application is connected to the federated server.
如果希望服务器选项设置在应用程序连接到联邦服务器时保持有效，可以使用这个语句。
With a federated system, you can use a single SQL statement to send distributed requests to multiple data sources.
有了联邦系统，便可以使用一条SQL语句将分布式请求发送到多个数据源。
With a federated database, you can use a single SQL statement that joins data from multiple data sources, including the federated database itself.
凭借联邦数据库，您可以使用单独一条sql语句连接来自多个数据源的数据，包括联邦数据库本身。
If you are tempted to use the GO to statement with a procedure name, consider the EVALUATE statement as an alternative option.
如果试图将GOTO语句与程序名一起使用，那么可以考虑将evaluate语句作为一个替换选项。
You can use the generated SOQL statement as is, or manually modify it.
可以使用生成的soql语句，或者手动地修改该语句。
The DBSA can use the GRANT statement to confer the EXTEND role on a user (typically the DBA of a local database), or can use REVOKE to withdraw that role from a user.
DBSA可以使用grant语句将EXTEND角色授予用户(通常是本地数据库的DBA)，或者使用REVOKE收回分配给用户的这类角色。
Personal Mission Statement: Write a personal mission statement, and use it as a guide to set goals.
个人使命宣言：写一份个人使命宣言，并以此作为设定目标的指导。
Suppose the programmer needs to use the CALL CICS statement in COBOL but forgot the syntax.
假定程序员需要在COBOL中使用CALLCICS语句，但却忘记了语法。
You could use a custom SQL statement to retrieve the information, as shown in Listing 12.
可以使用一个定制SQL语句来检索此信息，如清单12 所示。
If this were stored in a typical VARCHAR column in your DB2 table, you might use the following SQL statement in Listing 6.
如果该值储存在db2表中的典型varchar列中，您可以使用清单6中的sql语句完成该任务。
If users want to drop the federated procedures you just created, they can use the drop statement.
如果用户希望删除刚才创建的联邦过程，可以使用drop语句。
Use the create type statement to create a structured type, and use the DROP statement to delete a structured type.
可以使用CREATEtype语句创建一个结构化类型，并使用drop语句删除结构化类型。
New syntax for disabling an index for foreign key constraint was added to use with the ALTER statement.
用于为外键约束禁用索引的新语句被使用alter语句添加来使用。
Listing 4 shows an SQL statement you can use to make the conversion.
清单4显示一条可用于执行转换的sql语句。
One thing to notice here is that I had to use a format statement to specify that the output file should be HTML.
有必要指出，这里必须使用格式语句规定输出文件是HTML 格式。
Suppose the programmer needs to use a statement he is not very familiar with, like the new XPARSE COBOL statement.
假定程序员需要使用他不熟悉的语句，例如新的 XPARSECOBOL 语句。
To use the wizard, you can temporarily create another XML schema and use the include statement, as shown in the third definition.
为了使用此向导，可以临时创建另一个XML模式，并使用include语句，如第三个定义中所示。
If you want to create a global variable that indicates the maximum security level, use this statement.
如果希望创建一个全局变量表示最高级安全级别，使用下面的语句。
But because you store the text data in an XML document stored in an XML column, you cannot use this statement.
但是由于您将text数据存储在一个储存在xml列中的XML文档中，所以不能使用该语句。
To load data from the data file /data/americascust.dat (created above) into the base table customer, use the INSERT statement as follows
要将数据文件 /data/americascust.dat（此前已创建）中的数据加载到基表customer，可以使用INSERT 语句（如下所示）
After you create the table, you use one insert statement for each entry in your toppings array.
创建表后，需要对浇头数组中的每个条目使用一条insert语句。
To ignore all records that contain the string 'xnpd', one could use the following awk statement
要忽略包含字符串'xnpd' 的所有记录，可以使用以下 awk 语句
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