primary key column 中文意思是什麼
primary key column
解釋
主鍵列-
For a primary key column, but it can be set for any column
,但也可為任意列設置該值。 -
The query returns column and primary key information
此查詢返回列和主鍵信息。 -
The column or columns serving as the unique row identifier for a table are the primary key of the table
作為表的唯一行標識符的列是表的主鍵。 -
In table - valued user - defined functions, the primary key constraint can be created on only one column per table
在表值用戶定義函數中,只能對每個表中的一列創建primary key約束。 -
The row selector displays a key symbol if the column is in the table s primary key
如何該列是表的主鍵,則行選擇器將顯示一個鍵符號。 -
The application will be able to know what value is put into the primary key column, and continue to insert rows in the child tables
應用程序就可以知道放入主鍵列中的是什麼值,從而繼續向子表插入一個行。 -
This identifying column or group of columns is called the primary key
這種具有標識作用的列或列組稱為主鍵。 -
The matching column from the primary table is a primary key or has a unique constraint
來自主鍵表的匹配列是主鍵或具有唯一約束。 -
If the primary key or the " not null " column of the database is not selected in the data form wizard when you create the data form, the add - creates a new record option is not disabled
如果創建數據窗體時在「數據窗體向導」中未選擇數據庫的主鍵或「非null 」列,則不會禁用「添加-創建一條新記錄」選項。 -
If you use the navigation buttons to move through the records of a database table on a data form, this exception may be thrown with the additional information, " column column does not allow nulls. " this behavior occurs because the primary key or the " not null " column of the database table was not selected in the data form wizard
如果使用導航按鈕在數據窗體上的數據庫表的記錄之間移動,則可能會引發此異常,並顯示附加信息: 「列column不允許空值。 」此行為的發生是由於在「數據窗體向導」中未選擇數據庫表的主鍵或「非null 」列。 -
Automatically generate unique ids for the primary key column of each record
為每個記錄的主鍵列自動產生唯一id 。 -
This often occurs when the database table does not have a primary key column, or the select command uses joins
這通常發生在數據庫表沒有主鍵列時,或select命令使用joins時。 -
Method takes an array of values and finds the matching value in the primary key column
方法提取值的數組,並在主鍵列中查找匹配值。 -
You then relate the primary key column to a matching column
然後需要將主鍵列與匹配列相關。 -
This surrogate column can be designated the primary key column
可以將該代理列指定為主鍵列。 -
The delete statement is provided all primary key column values
為delete語句提供所有主鍵列值。 -
Table matches the primary key column of the
表中的主鍵列相對應。 -
Finally, the code sets one column as the primary key column
最後,該代碼將一個列設置為主鍵列。 -
You can add a surrogate key column, serialnumber, and designate it as the primary key column
那麼可以添加一個代理鍵列serialnumber ,並將其指定為主鍵列。 -
Select the primary - key column or press shift select to select multiple columns for a multi - column primary key, right - click the selection, and then click set primary key
選擇主鍵列(或按shift +選擇,為多列主鍵選擇多個列) ,右擊所選內容,然後單擊「設置主鍵」 。
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