My FTP provider (fasthosts) only allows 150MB maximum usage per database created. This is big enough for most personal usages. However, the other day, after I logined to the …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/228/A The answer is to count the unique number of integers and substract from four. The SQL to the answer is: select 4 - …
Sometimes if you want to extract some records from a table you can use the following SQL syntax select * from table order by rand() limit 10 Different SQL …