基本解釋[土木建筑工程]數(shù)據(jù)分配通路英漢例句雙語例句Without column data-value distribution information in the catalog, DB2 will assume an even distribution of values, which may lead the optimizer to a sub-optimal access path.如果編目中沒有列數(shù)據(jù)值分布信息，DB2 就會假設(shè)值是均勻分布的，這可能導(dǎo)致優(yōu)化器選擇非最優(yōu)的訪問路徑。Without correct column distribution statistics, DB2 may not have enough information to make the best choice when choosing an access path to the data—especially if data is heavily skewed.在選擇數(shù)據(jù)的訪問路徑時，如果沒有正確的列分布統(tǒng)計數(shù)據(jù)，DB2 可能沒有足夠的信息來做出最佳的選擇，尤其是如果數(shù)據(jù)出現(xiàn)嚴重誤差。data distribution path更多例句詞組短語短語DDP Data Distribution Path 數(shù)據(jù)分配路徑data distribution path更多詞組專業(yè)釋義土木建筑工程數(shù)據(jù)分配通路