subquery 中文意思是什麼

subquery 解釋
次程式型式
  1. Subquery select statements that appear inside an if statement

    If語句中出現的子查詢select語句。
  2. The apply operator supports invoking a table - valued expression a table - valued function or subquery for each row returned by an outer table reference

    Apply運算符支持為外部表引用返回的每個行調用表值表達式(表值函數或子查詢) 。
  3. That can be used either for convenience or to distinguish a table or view in a self - join or subquery

    的別名,別名可帶來使用上的方便,也可用於區分自聯接或子查詢中的表或視圖。
  4. The following example shows the transact - sql extension used to delete records from a base table that is based on a join or correlated subquery

    下面的示例顯示用於從基於聯接或相關子查詢的基表中刪除記錄的transact - sql擴展插件。
  5. The following example uses in in a correlated, or repeating, subquery

    以下示例在相關或重復子查詢中使用
  6. Is a subquery that retrieves rows from the database

    從數據庫中檢索行的子查詢。
  7. A correlated subquery can also be used in the

    中的不同行而發生改變。
  8. This statement is represented in the example as subquery s1

    這個語句在示例中表示為子查詢s1 。
  9. What fraction of queries that were optimized contained a subquery

    所優化查詢的哪一部分包含子查詢?
  10. A subquery can be used anywhere an expression is allowed

    任何允許使用表達式的地方都可以使用子查詢。
  11. The select query of a subquery is always enclosed in parentheses

    子查詢的select查詢總是使用圓括號括起來。
  12. Join fundamentals subquery fundamentals

    聯接基礎知識
  13. Number of optimizations for a query that contains at least one subquery

    包含至少一個子查詢的查詢的優化數。
  14. This localized join subquery ability has significant performance advantages

    這種局部地執行連接或子查詢的能力具有顯著的性能優點。
  15. Transact - sql keywords that control the flow of execution of sql statements and statement blocks in triggers, stored procedures, and batches. correlated subquery a subquery that references a column in the outer statement

    在sql api中,綁定可使結果集列或參數與程序變量相關聯,以便在提取或更新行時自動將數據移入或移出程序變量。
  16. Cannot perform an aggregate function on an expression containing an aggregate or a subquery

    中文說:不能對包含聚合或字查詢的表達式執行聚合函數。
  17. A select statement that contains one or more subqueries, or another term for subquery

    介面隱含用於信息模型中來獲得多重繼承的某些效果。
  18. In the example, this is represented by the outermost select statement, which uses s1 as a subquery

    在這個示例中,這由最外層的選擇語句表示,這個語句將s1用作子查詢。
  19. An sql statement that contains a subquery. the subquery is a query within the sql statement used to determine values in the main or parent statement

    嵌套查詢:包含子查詢的sql聲明。子查詢用於定義主體查詢或者父查詢中使用到的某些值。
  20. When order by is used in the definition of a view, inline function, derived table, or subquery, the clause is used only to determine the rows returned by the top clause

    在視圖定義中使用order by時,該子句僅用於確定用top子句返回的行。
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