i have a question in regards to mysql mainly. i have the following:
mysql_query("INSERT INTO {$game}_ships (location,login_id
) values(
'250','44')");
i would like to make the location a random number from 2 to 300.
my table structure includes among others a column for location and login id, i dont need to mention other columns as they are static and do not change. the above is suposed to make a ship look like its moving around the systems.
location int(4)
can anyone help with this?
mysql_query("INSERT INTO {$game}_ships (location,login_id
) values(
FLOOR(RAND() * 298 + 2),'44')");
See: http://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html#function_rand
You can use something like this:
INSERT INTO TABLE_NAME(rand_col) VALUES(FLOOR($MIN_VAL + (RAND() * ($MAX_VAL - $MIN_VAL))));
Where MIN_VAL
is your lower number (2) and MAX_VAL
is your higher number(300)
您可以改用PHP的rand吗?
mt_rand(2,300)
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