key columns 中文意思是什麼

key columns 解釋
主要部分
  • key : n 1 鑰匙。2 要害,關口,要沖。3 關鍵,線索,秘訣;解法。4 (外國書的)直譯本,圖例,題解,圖解,...
  • columns : 寶石方塊
  1. List are not the names of the primary key columns

    列表中顯示的項不是主鍵列的名稱。
  2. An index with many key columns is called a wide index

    具有許多鍵列的索引稱為寬索引。
  3. Select a table from the drop - down list. key columns

    從下拉列表中選擇表。
  4. Specifies the maximum number of key columns in indexes that

    推薦的索引中的最大鍵列數。
  5. In the path secondary index, the path and node values are key columns that allow for more efficient seeks when searching for paths

    在path輔助索引中,路徑值和節點值是允許在搜索路徑時使用更高效的查找功能的鍵列。
  6. Select the columns that join the tables in the key columns and

    在「鍵列」和「外鍵列」列表中選擇聯接表的列。
  7. Notice that a key icon now identifies the primary key columns

    。一個鑰匙鍵圖標可標識主鍵列。
  8. To display the index key columns, use

    若要顯示索引鍵列,請使用
  9. They can be data types not allowed as index key columns

    它們可以是不允許作為索引鍵列的數據類型。
  10. These column modification restrictions also apply to index key columns

    這些列修改限制也適用於索引鍵列。
  11. A relationship is analogous to a join path that might exist between primary and foreign key columns in a relational database

    關系類似於可能存在於關系數據庫中的主鍵列和外鍵列之間的聯接路徑。
  12. Key map this component contains the mapping between the data values in the full - text key columns and internal document ids

    鍵映射,它包含全文鍵列中的數據值和內部文檔id之間的映射。
  13. Displays the key columns based on the selection in the key drop - down list

    顯示基於「項」下拉列表中的選定內容的鍵列。
  14. In the path secondary index, the path and node values are key columns that allow efficient seeks when searching for paths

    在path輔助索引中,路徑值和節點值是用於提高路徑搜索效率的鍵列。
  15. If one or more primary key columns are returned by the

    返回一個或多個主鍵列,則它們被用作
  16. They are used as the primary key columns for the

    的主鍵列。
  17. This paper, with the analysis based on the statistics of shiyan technical institute journal ( from 2000 to 2004 ), puts forward practical measures to reinforce the construction of higher vocational institutes journal, such as the control of proper proportion between school manuscripts and those from other sources, the increase of project articles, the enhancement of cooperation, the perfection of key columns and the strict implementation of caj - cd criteria, etc

    摘要以對《十堰職業技術學院學報》 ( 2000 2004年共20期)的統計分析結果為例,提出了加強高職院校學報建設應採取的措施,如控制外稿比例,增加項目論文,加大對外合作力度,建設好重點欄目,嚴格執行《 caj - cd規范》等。
  18. A relationship works by matching data in key columns usually columns with the same name in both tables

    關系通過匹配鍵列(通常是兩個表中同名的列)中的數據來發揮作用。
  19. Only precise deterministic expressions can participate in key columns and in where or group by clauses of indexed views

    只有精確的確定性表達式才能加入鍵列,並包含在索引視圖的where或group by子句中。
  20. Multiple - column indexes are useful for evaluating filter expressions that match a prefix set of key columns

    對于計算與預先指定的一組鍵列匹配的篩選表達式,多列索引是非常有用的。
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