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sql中int范围为什么是4
更新时间: 2020-07-10 00:00:00  

int为数据库中整型,可精确存储,计算机中所有数据以二进制存储。1个字节为8位二进制数,4个字节为32位二进制数。32位二进制数包含所有的信息,比如数值,字母,汉字,声音,图像等。故数据库中以4字节32位二进制作为信息存储。

关键词: sql int 范围 为什么

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页面:/news/view-1522101/ | 耗时:0.3297 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1522101 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1522101 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1522101 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1092696,1064813,1072314,1041948,1082928,1062965,1076656,1071041,1080241,1091177,1094925,1083265,1068973,1079069,1081247,1041781,1085616,1113790,1058867,1078737,1063213,1067207,1076541,1082303,1090082,1122204,1062364,1076720,1077569,1059915) ORDER BY field (ArticleID,1092696,1064813,1072314,1041948,1082928,1062965,1076656,1071041,1080241,1091177,1094925,1083265,1068973,1079069,1081247,1041781,1085616,1113790,1058867,1078737,1063213,1067207,1076541,1082303,1090082,1122204,1062364,1076720,1077569,1059915)