h代表什么时间单位

页面:/news/view-100653/ | 耗时:0.0550 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=100653 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=100653 LIMIT 0,1
select * from tbl_Articles_sphinx where id=100653 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1098475,1089050,1091793,1112028,368811,368727,369093,377563,359864,100456,1122328,1085860,1109685,2922771,370901,1095492,365228,3147875,1205655,1605591,365532,86632,377075,376864,370222,1121694,1093811,369587,379558,364288) ORDER BY field (ArticleID,1098475,1089050,1091793,1112028,368811,368727,369093,377563,359864,100456,1122328,1085860,1109685,2922771,370901,1095492,365228,3147875,1205655,1605591,365532,86632,377075,376864,370222,1121694,1093811,369587,379558,364288)