vsam

vsam

美 　英

• 网络虚拟存储存取法；虚拟存储存取方法(Virtual Storage Access Method)；虚拟顺序存取法(virtual sequential access method)

例句

It holds a list of books in a VSAM file to which entries can be added or removed, and allows books to be marked as borrowed or returned.

它在VSAM文件中包含一个图书列表，您可以在这个列表上添加、删除条目，或将图书标记为已借出或已返还。

For your program to be able to read a record from the VSAM KSDS, the dataset must be in opened state in the CICS region.

您的程序将从VSAMKSDS中读取记录，数据集在CICS区域中必须处于打开状态。

VSAM arranges records by an index key, relative record number, or relative byte addressing.

VSAM通过一个索引键值，相关记录号或者相关字节地址来组织记录。

Because of the way VSAM data sets are organized, data access from these data sets is much faster than any other type of data set.

数据集数据访问速度比其他类型数据集要快。

Use the OmniFind database crawler wizard to configure a crawler to access the VSAM content through the nickname.

使用OmniFind数据库crawler向导来配置一个crawler，从而通过昵称访问VSAM内容。

The VSAM dataset created in Section 1 is referred to as EMPKSDS1 in this CICS region.

第一节中创建的VSAM数据集在这个CICS区域中称为EMPKSDS1。

This includes creating the VSAM file that holds the product information.

这包括创建包含产品信息的VSAM文件。

Create and define a VSAM file to CICS, and verify that CICS can access the file (optional).

创建VSAM文件并向CICS定义它，确认CICS可以访问这个文件（可选）。

VSAM? Virtual Sequential Access Method?

虚拟顺序存取法？。

A VSAM file that contains product details is available on MVS.

在MVS上有一个包含产品详细信息的VSAM文件。

Rational Rapid Developer also provides facilities to import definitions of legacy assets, such as IMS or VSAM database definitions.

RationalRapidDeveloper也提供了一系列的工具来插入遗留资产的定义，比如IMS或者VSAM数据库定义。

This program accepts an operation code and a record key as inputs, then reads the VSAM dataset and returns the record back to CICS.

这个程序接受一个操作码和一个记录键作为输入，然后读取VSAM数据集并将记录返回给CICS。

Use the IDCAMS utility to create a VSAM KSDS cluster, data, and index datasets.

使用IDCAMS实用工具创建一个VSAMKSDS集群、数据和索引数据集。

Once OmniFind has been configured, you will crawl the VSAM file using the nickname defined earlier.

配置OmniFind之后，将使用前面定义的昵称来抓取VSAM文件。

The next step is to write a sample COBOL CICS program to read a record from VSAM dataset based on a record key.

下一步是编写一个COBOLCICS程序，以便基于记录键（recordkey）从VSAM数据集中读取一个记录。

An Efficient Approach for Improving VSAM File Access Speed

提高VSAM文件访问速度的一种有效方法

Use the JCL below to view the records that were inserted into the VSAM dataset in Step 2 in this section

使用下面的JCL查看本节步骤2中插入的记录

Use the JCL below to insert data into the VSAM dataset

使用下面的JCL将数据插入VSAM数据集