VISAM?Virtual Indexed Sequential Access Method?
虚拟变址顺序存取法?。
With sequential access, the disk head can move directly to the next available track on the disk.
使用顺序访问,磁盘头可以直接移动到磁盘的下一个可用磁道。
It may be an ISAM (Indexed Sequential Access Method) file with no DBMS, either on the local or a remote computer.
它可能是一个没有数据库管理系统的索引顺序存取法文件,不管在要地电脑还是远程叫脑中。
The tape driver is a sequential access device and registers itself as a character device through register_chrdev_region.
磁带驱动器是顺序存取设备,会通过 register_chrdev_region 将自身注册为字符设备。
A system and method for performing a search operation within a sequential access data storage subsystem are disclosed.
公开了一种用于在顺序存取数据存储子系统中执行搜索操作的系统和方法。
You can use the stream returned by this method for sequential access to a memory-mapped file, such as for inter-process communications.
可使用此方法返回的流顺序访问内存映射文件,如如进程间通信。
In order to improve CPU utilization, use of multi-threading technology, and design a same sequential access method to prevent the deadlock.
为了提高CPU的利用率,采用了多线程技术,并且设计了按同一顺序访问对象的方法以防止死锁发生。
Sequential access, as exhibited by data warehouse activities, does not produce as great a performance improvement with SSDs as does random access.
在数据仓库活动所用到的顺序存取中,SSD的性能提升没有随机访问那么大。
Select the driver corresponding to the type of indexed sequential access method (ISAM) or database you want to connect to, and then click Finish .
选择与要连接的索引顺序访问方法 (ISAM)或数据库的类型相对应的驱动程序,然后单击“完成”。
It is well-known that the optimal storage on sequential access peripheral problems is a fundamental problem in combinatorial optimization problems.
顺序存取设备的最优存储是组合优化中的一个重要问题。
It is interesting that no one pointed out the similarity between FriendFeed's solution and the "ancient" technology of ISAM - Indexed Sequential Access Method.
有意思的是,并没有人指出FriendFeed的解决方案与古老的ISAM技术(IndexedSequential Access Method,索引顺序存取法)之间的相似性。
And, in most data-processing routines, sequential access to a rope's characters is what's required, in which case a rope iterator can provide amortized o (1) access speed.
而且,在多数数据处理例程中,都需要对rope字符进行顺序访问,在这种情况下,rope的迭代器能够提供分摊的o(1)访问速度。
Receiving user input parameters, including the program to access the track number, etc., track output including sequential access, the average seek time and the like.
接收用户输入参数,包括程序访问的磁道号等,输出结果包括访问的磁道顺序,平均寻道时间等。
The time it took was irrespective to their address sequence. Magnetic disc is a form of storage which provides the convenience of random access. See Sequential access.
所需的时间与数据所在的地址次序无关。磁碟便是一种提供即时存取方便的贮记器。参阅顺序存取。
OLE DB is a COM-based universal data access technology, allowing you to use any data source, not just indexed, sequential access methods (ISAM) and SQL-based databases.
OLEDB是基于COM的通用数据访问方法,允许使用任何数据源,不只是已索引的、连续的访问方法(ISAM)和基于SQL的数据库。
Batch and query applications typically do a lot of sequential processing, while data access for OLTP tends to be more random in nature.
批处理和查询应用程序通常要进行大量的顺序处理,而用于OLTP的数据访问往往更具有随机性。
You'll even examine some file system attributes, such as sequential and random access, which can affect performance.
甚至还将研究一些可能影响性能的文件系统属性,比如顺序访问和随机访问。
By looking at the read and write sequence counts in detail, you can further determine if the access is sequential or random.
通过仔细地观察读写序列计数,可以进一步确定访问是顺序的还是随机的。
Access plan directives that force the optimizer to use the designated access method for data retrieval, either sequential scan or index scan.
访问计划指示,强制优化器使用指定的访问方法进行数据检索,要么是连续扫描,要么是索引扫描。
Sequential scans are typical in decision support system (DSS) applications but rare with OLTP access patterns.
顺序扫描一般在决策支持系统(DSS)应用程序中很常见,但很少出现在OLTP访问模式中。
DB2 row compression features can decrease disk storage requirements while at the same time improve sequential read access of large queries which perform full table scans.
DB 2行压缩功能可以减少磁盘存储需求,同时改进执行全表扫描的大量查询的顺序读取访问。
As a result, the disk access time is much longer when reading data in random order than when reading in sequential order.
因此,与按顺序读取相比,按随机顺序读取数据时的磁盘访问时间要长得多。
Higher space efficiency means files are less fragmented and provide better sequential file access.
较高的空间效率意味着文件的碎片较少,能够提供更好的顺序文件访问。
A higher sequentiality tells you that the files are more contiguously allocated, which will also be better for sequential file access.
较高的顺序性意味着文件的分配更连续,这也对顺序文件访问有利。
For example, with typical page sizes of 8 KB or 16 KB, in-page processing is inherently sequential and less CPU-efficient than random data access.
例如,对于典型的8KB或16 KB的页面,页内处理天性是连续的,CPU效率低于随机数据访问。
A program references storage using the effective address computed by the processor when it executes a storage Access or Branch instruction or when it fetches the next sequential instruction.
在程序执行StorageAccess或Branch指令或者在存取下一条顺序指令时,它将使用处理器计算出的有效地址引用存储设备。
And you access all the items in the same way using the square bracket operator, which supports slicing different types of sequential items.
并且可以使用方括号操作符以相同的方式访问所有数据项,它支持将不同类型的有序数据项分段。
When a program accesses two pages of a file, VMM assumes that the program keeps trying to access the file in a sequential method.
当程序访问一个文件的两个页面时,VMM假定该程序将采用顺序的方法不断地尝试访问该文件。
Direct access storage is much faster than sequential storage.
直接存取存储器比顺序存储器要快多了。
A program to process direct access data is different from a program to process sequential data.
处理可直接访问的数据的程序和处理可按顺序一个接一个访问的数据的程序是不同的。
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