full outer join 中文意思是什麼
full outer join
解釋
完全外部聯接-
Full outer join is a join that presents matched values from joined tables and those that present only in other tables either left or right. this is uniquely available for
全外連接表示連接表中出現的匹配值和那些僅在左表或右表中的某一個表中出現的匹配值。 -
A full outer join returns all rows in both the left and right tables
完整外部聯接將返回左表和右表中的所有行。 -
Outer joins can be a left, a right, or full outer join
外部聯接可以是左向外部聯接、右向外部聯接或完整外部聯接。 -
The jdbc driver supports the sql92 left, right, and full outer join syntax
Jdbc驅動程序支持sql92左側、右側及完全外部聯接語法。 -
Full outer join
完整外部聯接 -
To combine all of the separately calculated measures together into one result, each of these separate select statements are joined together with a full outer join on the attribute columns of the select list
要將所有單獨計算的度量組合在一個結果中,應該用選擇列表的屬性列上的完全外聯結將這些單獨的選擇語句聯結在一起。
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