SQL问题我需要快速帮助

Question

如果我没有在类型i前面加上' WHERE '，则会出现'type'错误

string sql = "UPDATE Resource SET " + "location='" + location + "'" + "WHERE levelNo='" + levelNo + "'" + "Type='" + type + "'" + " Abr='"+ abr + "'" + " Description='" + description + "'" + " Capacity='" +capacity +"'" + " Detail='" + detail + "'";

但如果我说它我得到' WHERE '

的错误

string sql = "UPDATE Resource SET " + "location='" + location + "'" + "WHERE levelNo='" + levelNo + "'" + "**WHERE** Type='" + type + "'" + " Abr='"+ abr + "'" + " Description='" + description + "'" + " Capacity='" +capacity +"'" + " Detail='" + detail + "'";

Answer 1

您的附加条件之间需要AND，而不是其他WHERE条款

Answer 2

“WHERE levelNo ='”+ levelNo +“' AND ”+“Type ='”+ type +“'”