plan of tables的意思
plan of tables中文翻譯:
表格平面圖
tables───v.制表(table的三單形式);擱置;n.桌子;表格(table的復數);附錄
side tables───靠墻的桌子
alphonsine tables───阿方辛表
tray tables───盤桌;折疊式餐具小幾
appending tables───附加表格
multiplication tables───n.[數]乘法表;n.乘法表( multiplication table的名詞復數 )
billiard tables───臺球桌
folding tables───折疊桌
bussing tables───巴士桌
The remaining two sections provide details on each operator of the access plan, and the tables and/or indexes used by the query.───其余的兩個區域提供了關于訪問計劃的每個操作符以及查詢所使用的表和/或索引的細節。
Statements involving larger tables and joins of two or more tables are more likely to exhibit a change in query access plan as a result of the improved cardinality estimate.───如果語句涉及到更大的表格和兩個或者更多個表的連接的話,查詢訪問計劃就很可能會因為基數估計值的提高而改變。
It estimates the execution cost of each potential access plan based on the statistics data stored in catalog and statistics tables, and selects the one with the lowest cost.───它會基于存儲在目錄和統計表中的統計數據而評估每一個可能的存取計劃的執行開銷,然后選擇最低開銷的存取計劃。
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