optimizer

基本解釋

Even if we do update statistics for the table, the optimizer will have no choice but to sequentially scan it.
即使我們對該表更新了統(tǒng)計信息，優(yōu)化程序也沒有選擇，只能對其進行順序掃描。
The DB2 optimizer uses these characteristics and restrictions when determining the best way to process a query.
DB2 優(yōu)化程序使用這些特征和限制來確定處理一個查詢的最佳方法。
The result of this comparison can potentially point to out-of-date statistics — for example, used by the optimizer to select an incorrect access plan.
這種比較的結(jié)果可能會指向一些過時的統(tǒng)計信息 — 例如，優(yōu)化器用來選擇一個錯誤訪問計劃的統(tǒng)計信息。

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Sys Optimizer 系統(tǒng)優(yōu)化精靈;系統(tǒng)優(yōu)化軟件;簡約系統(tǒng)優(yōu)化軟件;免費系統(tǒng)優(yōu)化
Image Optimizer 圖片壓縮工具;參見幾前篇內(nèi)容介紹;圖片優(yōu)化;圖像壓縮
FSOFreeStyle Optimizer 自由風格曲面優(yōu)化
File Optimizer 文件批量壓縮工具;壓縮軟件;文件壓縮軟件
Business Optimizer 業(yè)務(wù)優(yōu)化模塊

優(yōu)化器
Without a favourable query optimizer, even if a minitype database behaves remarkable low performance.
如果沒有設(shè)計良好的查詢優(yōu)化器，即使是小型的數(shù)據(jù)庫也會表現(xiàn)出非常明顯的性能低下。
優(yōu)化程序
最佳化器