I tried the following on SQL-Server:
create table #TmpLOGSPACE( DatabaseName varchar(100) , LOGSIZE_MB decimal(18, 9) , LOGSPACE_USED decimal(18, 9)
Put the statement to be run inside EXEC('')
EXEC('')
insert #TmpLOGSPACE(DatabaseName, LOGSIZE_MB, LOGSPACE_USED, LOGSTATUS) EXEC('DBCC SQLPERF(LOGSPACE);')