数据库管理员执行的常见维护任务包括重组、统计信息收集和备份。
Common maintenance tasks performed by database administrators include reorganization, statistics collection, and backup.
当它们完成属于它们的那部分查询处理时，数据库服务器就重组结果数据集，并对其进行处理，然后将最后的答案展示给终端用户。
When they finish processing their parts of the query, the database server reassembles and process the resulting data sets before presenting the final answer to the end user.
在重组xml索引时，数据库管理员可以通过在REORGINDEXES命令中使用ALLOWWRITEaccess子句允许并发的写操作。
When reorganizing XML indexes, database administrators can use the allow write ACCESS clause in the reorg indexes command to allow concurrent writes on the table.
因为您在第1步的数据模型重组过程中修改了DB 2数据库，所以要保证从MySQL导入的数据与DB 2所定义的数据类型相兼容。
Because you modified the DB2 database in your data model reorganization Step 1, ensure that the data that was to be imported from MySQL was compatible with the data types defined in DB2.
若重组技术不成熟，将出现各种丢包、错组的情况，给数据库防护带来灾难。
If the reorganization technology is not mature, there will be a variety of packet loss, the wrong group of cases, to protect the database disaster.
计算数据库的表或者索引的统计信息，判断是否表或者索引或者两者都需要重组或者清理。
REORGCHK: Calculates statistics on the database to determine if tables or indexes, or both, need to be reorganized or cleaned up.
本文讨论了利用中间层ods数据库，将HIS数据按主题重组后进行转储的方法及需要解决的问题。
Through making use of mid tier database-ODS, this paper introduced the method and problem of data transfer from his that the data regrouped according to topic.
本文讨论了利用中间层ods数据库，将HIS数据按主题重组后进行转储的方法及需要解决的问题。
Through making use of mid tier database-ODS, this paper introduced the method and problem of data transfer from his that the data regrouped according to topic.
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