从0 10000101 01010011000000000000001转换到十进制(也就是84.75000762939453125)很好:Convert parts to decimal: 84.75000762939453125
为什么我不能将0 00000001 00000000000000000000001转换为十进制无法使1.1754945E-38将二进制0.00000
运行此命令时,会出现SQL server错误。SELECT sum(size) FROM [dbname]..sysfiles sf, [dbname]..sysfilegroups sfg WHERE sfg.groupname = 'PRIMARY' AND sf.groupid = sfg.groupidSELECT sum(cast(size as bigint)) FROM [dbname]..