2020年6月27日
SQLZOO练习二--SELECT from Nobel Tutorial
摘要： We continue practicing simple SQL queries on a single table. This tutorial is concerned with a table of Nobel prize winners: nobel(yr, subject, winner 阅读全文
posted @ 2020-06-27 19:20 徐若离 阅读(370) 评论(2) 推荐(0)
SQLZOO练习（一）SELECT BASICS，SELECT form world
摘要： name continent area population gdp Afghanistan Asia 652230 25500100 20343000000 Albania Europe 28748 2831741 12960000000 Algeria Africa 2381741 371000 阅读全文
posted @ 2020-06-27 16:51 徐若离 阅读(622) 评论(1) 推荐(0)