數據庫基礎知識

原創 lindamtd 2020-02-23 21:19

1、在SQL中，table與view的區別？

     table(表)是一個完整的表，所有的數據都存放在這個表中。

     view(視圖)可以是一個表，或者是表裏面的內容，是有選擇性的，view相當於把一個SQL查詢方法起一個名字，在需要使用時，直接使用這個名字不需要輸入一長串的SQL。

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