正在加载图片...
Tables in SQL CREATE TABLE cities AS SELECT 38 AS latitude,122 AS longitude,"Berkeley"AS name UNION SELECT 42, 71, "Cambridge" UNION SELECT 45, 93, "Minneapolis"; SELECT "west coast"AS region,name FROM cities WHERE longitude >115 UNION SELECT "other", name FROM cities WHERE longitude 115; Cities: Latitude Longitude Name Region Name 38 122 Berkeley west coast Berkeley 42 71 Cambridge other Minneapolis 45 93 Minneapolis other CambridgeTables in SQL CREATE TABLE cities AS SELECT 38 AS latitude, 122 AS longitude, "Berkeley" AS name UNION SELECT 42, 71, "Cambridge" UNION SELECT 45, 93, "Minneapolis"; Latitude Longitude Name 38 122 Berkeley 42 71 Cambridge 45 93 Minneapolis SELECT "west coast" AS region, name FROM cities WHERE longitude >= 115 UNION SELECT "other", name FROM cities WHERE longitude < 115; Cities: Region Name west coast Berkeley other Minneapolis other Cambridge
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有