1) static cable (of parachute); strop line; anchor cable
引导绳连接索
2) static rail (forparachuting)
引导绳连接滑轨
3) join index
连接索引
1.
Building bitmap join indexes of dimension tables and fact tables directly may bring a large number of useless index items that affect query efficiency.
直接建立维度表与事实表的位图连接索引会产生大量无用的索引项,影响查询效率。
2.
By storing the intermediate results as temporary files and outputting the final join results in partitions,the new join algorithm Jive which uses the existed data struct join index,requires only one pass through each input relation to complete the join.
新的利用连接索引的算法Jive,它用中间产生的临时文件和分割输出连接结果的方法,采用已有的数据结构-连接索引,只需要对输入关系的一次扫描,即可完成连接。
3.
This paper will optimize the processing of join query based on join index.
本课题将基于连接索引来优化连接查询。
4) guide-line trap
导绳连接盒
5) bitmap join indexes
位图连接索引
1.
To improve response time,data warehouse administrators generally use indexing techniques such as star join indexes or bitmap join indexes.
文中提出了一种基于数据仓库和位图连接索引的查询方法。
6) distance-associated join in dices
距离连接索引
补充资料:贵州钢绳厂8/1600合绳机生产φ107mm镀锌钢丝绳
贵州钢绳厂8/1600合绳机生产φ107mm镀锌钢丝绳
贵州钢丝绳厂8/1600合绳机生产~107mm镀锌钢丝绳
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条