键集

释义

键集网络keyset; Keyset-Type; concurrency网络释义1.keyset键集(keyset)游标 类似于动态游标,也能够看到其他用户所做的 数据修改,但不能看到其他用户新加的记录,也不能访问其他用户删 …blog.csdn.net|基于47个网页2.Keyset-Type(3)键集(Keyset-Type)类型的结果集。这种结果集可以包含可修改的行，在这种结果集中移动是不受限制的。zhanwufeixiang.blog.163.com|基于15个网页3.concurrencysp_cursor_list (Transact-SQL) ... 列名 reference_name 2 = 键集 concurrency 1 = 只读 scrollable ... msdn.microsoft.com|基于5个网页4.ed-key set每个选择器都保护了一个已选键集（ed-key set），与这些键接洽关系的信道都有即将产生的特定I/O操纵。经由过程调用edKeys…www.cesclub.com|基于 1 个网页更多释义收起释义例句释义:全部全部,keysetkeyset,Keyset-TypeKeyset-Type,concurrencyconcurrency类别:全部全部,口语口语,书面语书面语,标题标题,技术技术来源:全部全部,字典字典,网络网络难度:全部全部,简单简单,中等中等,难难更多例句筛选收起例句筛选1.If the query references at least one table without a unique index, the keyset cursor is converted to a static cursor.如果查询引用了至少一个无唯一索引的表，则键集游标将转换为静态游标。2.When cursors generate a keyset for a result set, the query optimizer estimates the number of rows that will be returned for that result set.游标为某个结果集生成键集时，查询优化器将估计为该结果集返回的行数。3.Allows you to augment the callers keyset with your own.允许您使用自己的键集来扩充调用者的键集。4.A distributed partition view ( remote view ) cannot be updated using a keyset - driven cursor .通过对分布式查询定义的键集游标可以更新或删除远程表。5.When Create Keyset Cursor is chosen, the cursor allows inserts, updates, and deletes, at will, within the keyset cursor itself.选择“创建键集游标”后，游标允许在键集游标本身内随意进行插入、更新和删除。6.The database API cursor models assume that static, keyset-driven, and dynamic cursors are always scrollable.数据库API游标模型则假定静态游标、键集驱动游标和动态游标都是可滚动的。7.However , a level 1 driver can support dynasets if it supports extended fetching and keyset-driven cursors .但是，如果1级驱动程序支持扩展获取和键集驱动游标，它就能支持动态集。8.Building a keyset from scratch by explicitly adding just the kernel keys you need is not recommended.可以通过显式地添加您所需要的内核键，从头开始构建键集，但是我们并不推荐这种方式。9.Cursor threshold option to specify the number of rows in the cursor set at which cursor keysets are generated asynchronously.选项可以指定游标集中的行数，超过此行数，将异步生成游标键集。10.Explains the benefits of populating large keyset-driven or static cursors asynchronously.介绍异步填充大型键集驱动游标或静态游标的好处。