语句对象也可以使用批量更新。
批量更新和删除,以确保高性能。
基于指定的条件批量更新或删除数据。
Bulk updating or deleting of data based on specified criteria.
使用批量更新代替单个更新。
批量更新特性适用新创建的文档和多个现有文档。
Bulk updates work for newly created documents and for updating multiple existing documents.
这里有一篇很好的文章解释了如何使用批量更新。
There is a nice article explaining how to use batch update. Implementing the sample from above by making use of batch updates looks like this.
批量更新实际上只在执行大量更新的时候才被推荐。
Batch updates are really recommended when doing larger updates. But please consider the overhead of creating the batch update XML.
例如,每当添加新产品名时,可以让它触发批量更新。
For example, each time a new product name is added, you can have it trigger a batch update.
pureQuery包含对异构批量更新 的支持。
清单19使用CouchDB 的批量更新特性。
你可以使用这个方法对记录集中的记录进行批量更新。
This method is used when you are working on a Recordset in batch update mode.
对于Oracle用户而言,批量更新时不能将其设为true。
For Oracle users, you can't set it to true for batch updates.
通过设置多个值,批量更新特性提高了需要多次执行的语句的性能。
The batch update feature improves the performance of a single statement that is executed multiples times, with multiple value Settings.
初始批量装载和定期的(比如每天晚上)增量数据批量更新相结合。
Initial batch load combined with periodic delta batch updates, such as nightly.
介绍单个更新和批量更新支持,以及用于检索自动生成的值的api。
A description of the single update and batch update support and of APIs to retrieve the auto-generated values.
分割批量更新调用,以保持生成的XML足够小,不会出现内存溢出异常。
Split up batch update calls to keep the generated XML small enough to not run into out of memory exceptions.
两种更新方式的对比表明,我们可以通过批量更新来获得巨大的性能提升。
Comparing both update approaches shows that we have a significant performance improvement with the batch update.
而是,使用SPWeb提供的批量更新函数processbatchdata。
Instead - use the batch update function ProcessBatchData provided by SPWeb.
在执行上述包含了50000个批量更新的例子的时候,我就遇到了OOM(内存溢出)。
I ran into an OOM when executing the above example with 50000 batch updates.
后写式缓存特性作为新ehcacheAPI的一部分,适用于对数据库的异步批量更新。
The write-behind caching feature, supported as part of the new Ehcache API, works with asynchronous batching of updates to the database.
通过异构批量更新,可以将有或没有参数占位符的多个sql语句组合到一个单独的网络调用中。
A heterogeneous batch update lets you combine several SQL statements with or without parameter markers into a single network call.
对于批量更新,需要使用一个集合参数多次执行一条sql语句,每次执行时使用不同的参数值。
For batch updates, a collection parameter is used vertically to execute an SQL statement more than once, with different parameter values each time.
批量更新电子邮件地址期间,电子邮件地址中的旧站点寻址部分与新站点寻址部分不一致。
During a bulk email address update, a mismatch occurred between the old and new site addressing parts of thee-mail addresses.
您的企业需要建立人头计算来执行事件驱动的双密钥生成,从而避免由于夜间批量更新造成的时间延迟。
Your enterprise needs to establish a head count of persons to perform event-driven double keying to avoid the time delay of a nightly batch update.
write - behind功能能够根据用户配置的间隔时间,异步地对后端数据库进行批量更新。
The write-behind function batches updates to the back-end database asynchronously within a user configurable interval of time.
在幕后,updateMany 实现了批量更新的JDBC最佳实践,大大减少了更新数据时所需的网络传输。
Under the covers, updateMany implements the JDBC best practice of batch updates, drastically reducing the number of network trips required for updating the data.
使用CSV文件批量添加或更新数据。
如果可能更新坐标列,但是源表包含一个时间戳列,其中记录了每行最后一次更新的时间,那么仍然可以避免批量复制。
If updates to the coordinate columns are possible, you may still be able to avoid bulk copies if the source table contains a time stamp column that records the time of last update for each row.
数据库能够更有效地批量处理更新,一些字段的更新可以在一个记录中。
Databases work more efficiently for batches of updates, versus updates of a couple fields in one record.
Teradata连接器的批量模式中的更新和流驱动程序提供了与之等价的特性。
The Teradata connector provides equivalent features via the update and stream drivers in the bulk mode option.
应用推荐