如何在Postgres with SQL中創建並插入隨機字符串的n行測試數據到Postgres中？

Question

在Postgres中的SQL中，如何創建並插入n具有隨機字符串長度的測試數據行數x？

例如，

CREATE TABLE my_table (my_text_column TEXT); 
-- now insert n rows of test data into my_table, with random 
-- strings of length x for my_text_column 

Answer 1

答案已經可以here

create table yourtable as select descr from 
      (SELECT generate_series(1,10) AS id,md5(random()::text) AS descr)s;