索引鍵 的英文怎麼說
中文拼音 [suǒyǐnjiàn]
索引鍵
英文
index button-
Lock hints rowlock, updlock, and xlock that acquire row - level locks may place locks on index keys rather than the actual data rows
獲取行級別鎖的鎖提示rowlock 、 updlock和xlock ,則可能對索引鍵而不是實際的數據行採用鎖。Management data, boston, usa, 1984, pp. 47 - 54. 3 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc
對cdt索引來說,首先高維數據點通過k平均聚類演算法得到若干類,然後分別計算該點對應的始點與質心距離,並且將這兩個距離通過線性組合得到該點的復合索引鍵值。Vsam arranges records by an index key, relative record number, or relative byte addressing
Vsam通過一個索引鍵值,相關記錄號或者相關位元組地址來組織記錄。When locking rows or index key ranges, the database engine places an intent lock on the pages containing the rows or keys
當鎖定行或索引鍵范圍時,數據庫引擎將在包含行或鍵的頁上放置意向鎖。For a clustered table, the row locator is the clustered index key
對于聚集表,行定位器是聚集索引鍵。A nonclustered index contains the nonclustered index key values and each key value entry has a pointer to the data row that contains the key value
非聚集索引包含非聚集索引鍵值,並且每個鍵值項都有指向包含該鍵值的數據行的指針。Create index statement, the index key could be defined as
子句,可以將索引鍵定義為(List of the column ids of the columns that make up the index key
組成索引鍵的列id列表。The maximum size for an index key is 900 bytes
索引鍵的最大大小為900位元組。如果創建索引時,To display the index key columns, use
若要顯示索引鍵列,請使用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。The data rows are stored in order based on the clustered index key
數據行基於聚集索引鍵按順序存儲。Up to 16 columns can be combined into a single composite index key
一個組合索引鍵中最多可組合16列。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。This means no two rows can have the same value for the index key
這意味著任何兩行都不能有相同的索引鍵值。This instructs db2 to pass the index keys to the sort program in memory, rather than having the keys written to and read once again from sort work files on dasd
這將指示db2將索引鍵傳遞給內存中的排序程序,而不是再次將這些鍵寫到dasd上的排序工作文件中,然後從中讀取這些鍵。All the columns in a composite index key must be in the same table or view
組合索引鍵中的所有列必須在同一個表或視圖中。Neither column of the output result set is a key, but together they form an index key
輸出結果集中的任一列都不是一個鍵,但是它們結合在一起將形成一個索引鍵。The clustered index is implemented as a b - tree index structure that supports fast retrieval of the rows, based on their clustered index key values
聚集索引按b樹索引結構實現, b樹索引結構支持基於聚集索引鍵值對行進行快速檢索。Dialog box, select the unique key in the selected primary unique key and index list
在「索引/鍵」對話框中,從「選定的主鍵/唯一鍵和索引」列表中選擇唯一鍵。分享友人