subselect 中文意思是什麼

subselect 解釋
細部選定
  1. To ensure that only 10 rows are deleted, the column specified in the subselect statement

    為了確保僅刪除10行,嵌套select語句(
  2. Further, it could subselect only methods with the value property exceeding, say, 25

    而且,它可以進一步只選擇(比如說) value屬性超過25的方法。
  3. If the insert statement is used with a subselect, the returned data can be stored into db2 tables

    如果將insert語句與子查詢一起使用,那麼返回的數據便可以存儲到db2表中。
  4. Added information about specifying a primary key when you use a subselect statement with an order by clause

    添加了有關在將嵌套select語句與order by子句一起使用時指定主鍵的詳細信息。
  5. Is a variable, literal value, expression, or a subselect statement enclosed with parentheses that returns a single value

    返回單個值的變量、文字值、表達式或嵌套select語句(加括號) 。
  6. If you have to use top to delete rows in a meaningful chronological order, you must use top together with order by in a subselect statement

    如果需要使用top來刪除按有意義的時間順序排列的行,您必須同時使用top和order by子句。
  7. Using a nonkey column in the subselect statement may result in the deletion of more than 10 rows if the specified column contains duplicate values

    如果指定列包含重復的值,則在嵌套select語句中使用非鍵列可能會導致刪除的行超過10個。
  8. Enable grouping by a column that is derived from a scalar subselect, or a function that is either not deterministic or has external access

    啟用按從標量嵌套select語句派生的列進行分組,或者按不確定性函數或有外部訪問的函數進行分組。
  9. If the measure had a third aggregation, then the select statement generated here would itself be used as a subselect on which the third aggregation function would be applied

    )如果這個度量還有第三個聚合,那麼這個選擇語句本身作為子查詢,第三個聚合函數應用於它。
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