Thank You, John.
What is IIRC and BOL?

>Once a [need] is cleared (which will probably happen as the database is used), then SQL Server can clear out the junk pages inbetween. Also, IIRC, BOL has some stuff regarding this behavior if you need to find out more.
>
>HTH,
>John Barone
>
>
>>Hello,
>>
>>I have log file more that 4GB while data file is 4.5GB.
>>I've tried to truncate log file, but size of the file doesn't chenged.
>>Where is the problem?