foreign key column 中文意思是什麼
foreign key column
解釋
外鍵列-
Table contains a customer id as a foreign key column
表包含作為外鍵列的客戶id 。 -
However, you can enter a null in the foreign - key column
但是，可以在外鍵列中輸入空值。 -
Ordernumber is used as a foreign key in the models nested table, but does not exist in the models table column in the mining model
Ordernumber在模型嵌套表中用作外鍵，但挖掘模型的模型表列中不存在ordernumber 。 -
Previewing the form works correctly now because the cust id combination box already has default options configured because the cust id column was specified as a foreign key column
現在可以正確預覽該表單了，因為cust _ id下拉式列示方塊已經設定了預設選項，並且cust _ id已經指定為外鍵列。 -
In the adjacent grid cell to the left of each column, choose the corresponding foreign - key column of the foreign - key table
在每列左側的臨近網格單元格中，選擇外鍵表的相應外鍵列。 -
In a foreign key reference, a link is created between two tables when the column or columns that hold the primary key value for one table are referenced by the column or columns in another table
在外鍵引用中，當一個表的列被引用作為另一個表的主鍵值的列時，就在兩表之間創建了鏈接。 -
For example, if the primary key of the table on the primary side of the relationship is made up of two columns, you will need to match each of those columns with a column in the table for the foreign key side of the relationship
例如，如果關系主鍵側的表的主鍵由兩列組成，您將需要將這兩列中的每一列與關系外鍵側的表中的列匹配。 -
Once you create the relationship, the matching column becomes a foreign key of the table
一旦創建關系，匹配列即成為表的外鍵。 -
This column becomes a foreign key in the second table
這個列就成為第二個表的外鍵。 -
Foreign key column properties
外鍵列屬性 -
Select the foreign key column and the primary key table and column with which you want form a relationship
選擇外鍵列以及要與之建立關系的主鍵表和列。 -
The foreign key column name in the source table is the same as the name of the destination table
源表中的外鍵列名與目標表名相同。例如，外鍵列order . customer
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