foreign key的意思
foreign key中文翻譯:
外部鍵
foreign───adj.外國的;外交的;異質的;不相關的
foreign visitors───外國游客;外國客戶
Key───n.鑰匙;關鍵,密鑰;(鍵盤樂器或電腦鍵盤的)鍵;調,聲調,色調;答案;圖例;扳手;銷子,楔,栓;翼果;板條間首層灰泥;(籃球)罰球區;低島,礁;adj.關鍵的,主要的;n.(Key)(美)基(人名);vt.鍵入,用鍵盤輸入;用別針等固定;使與……符合或關聯;使……與……共處,相安無事;用鑰匙將汽車表面劃壞;將(表面)弄粗糙;給(廣告)加識別碼;成為獲得……的關鍵
foreign time───外國時間
foreign nationals───外籍人士;外國僑民
foreign country───外國;異國
foreign word───外來詞
foreign officers───外國軍官
foreign minister───n.外交部長
Cross-column analysis for foreign key discovery.───發現外鍵的跨列分析。
All DOC_IDs are unique to meet the foreign key constraints.───所有DOC_ID都是惟一的,以滿足外鍵約束。
Non-identifying optional foreign key relationship.───非標識可選的外鍵關系。
View the foreign key attributes of a relationship if you want to see which columns participate in the foreign key side of a relationship.───如果您要查看哪些資料行參與關聯性的外部索引鍵端,可檢視關聯性的外部索引鍵屬性。
The employee table might have a foreign key for the office table that indicates which city the employee's office is in.───雇員表中可能有一個辦事處表的外鍵,顯示雇員工作的辦事處位于哪座城市。
I create a separate foreign_key_* column for every element that might be a parent of the XML element to which a table corresponds.───我為每個可能是與表所對應的XML元素父代的元素創建了單獨的foreign_key_*列。
You cannot change the length of a column defined with a PRIMARY KEY or FOREIGN KEY constraint.───無法更改用PRIMARYKEY或FOREIGNKEY約束定義的列的長度。
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 above access plan is for an insert into the child table of a foreign key relationship.───上述訪問計劃是針對將行插入到擁有外鍵關系的子表的insert的。
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