蜂房橫向視圖樣本示例蜂房表有1列作爲陣列

Question

我的用例是我有一個蜂巢中有一列作爲INT和一個數組數據類型的表。我想水平顯示它..

Answer 1

簡單的解釋，假設有像名和資格數據表格

表內容：

Amar ["Btech","Mtech"] 
Amala ["Bsc","Msc","Mtech"] 
Akash ["Btech","Mba"] 

創建表：

create table raw2(name string, qual array<string>); 

查詢：

select name, myq from <table> lateral view explode(qual) q as myq;