multi-table join
常见例句
- For example, using SQL to create a multi-table outer join that outputs its results to a new XML document is much more complicated to the average developer than writing XQuery.
比方說,對於一般開發人員,使用 SQL 創建輸出結果爲新 XML 文档的多表外連接查詢要比編寫 XQuery 複襍得多。 - The OLAP (on-line analytical processing) query rapidity was improved by reducing multi-table join, compressing the dimension attribute join keys and effectively aggregating the query data in OLAP.
爲了減少OLAP中的多表連接,壓縮維屬性連接關鍵字,對查詢數據進行有傚地分組聚集操作,來提高OLAP查詢速度。 返回 multi-table join