I don't know if thecourse_over_groundcan be negative, but in this case, the minutes must be negated in the conversion formula. Furthermore, the conversion of the minutes part is incorrect: you should just use(float)cog_deg + (float)cog_min / 60.0f. #include<stdint....
However, for numeric variables, there is not the same relationship. Most numbers are 8 bytes, which stores the binary representation of the number as a double precision floating point number. So, a number with format 1. still typically takes up those 8 bytes, just as a number with format ...
Wanted to optimize a query with the minus that it takes too much time ... if they can give thanked help. I have a query that runs against a pretty large table,the query takes forever and presumably does a full table scan.This query is very very slow!