I checked the forum there are other similar topics but my scenario is different.
for myDatabase under database properties -> General tab it shows:
Size : 25285.31 MB
Space Available: 3989.13 MB
And on disk
myDB.mdf = 10.0 GB (10,745,806,848 bytes)
myDB_log.ldf = 14.6 GB (15,767,764,992 bytes)
As per my understanding only 10GB is allowed in Expres edition but here it seems more. What is the space available parameter from DB properties.
Best Answer
SQL Server Express only imposes file size limits on data files, log files can grow to any size. The Size shown on the database properties window is the data and log file combined sizes.
Somewhat confusingly though, the Free Space value shown on this window only relates to the data file(s). If you'd like to see this in more detail, I'd recommend querying the system tables rather than relying on the SSMS GUI (which isn't always going to give you the information you want/need). The following script will show some more detailed information about data file sizes/growth settings:
As an aside: Since your data file is at 10GB already, future growth operations will fail (and whatever transaction triggered the growth will generate a Primary Filegroup Full error). Since the file is set to 10GB exactly, I suspect that it has been grown out to this amount deliberately to take advantage of the full amount of space offered by SQL Express.