Search notes:

SQL Server - system base table: sys.sysfiles1

sys.sysfiles1 lists the physical files for a database. 
select * from master.sys.sysfiles1;

status      fileid name               filename
----------- ------ ------------------------------------------------------------------------------------------------------------
2           1      master             C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\master.mdf
66          2      mastlog            C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\mastlog.ldf

select * from tq84_db.sys.sysfiles1;

status      fileid name               filename
----------- ------ ------------------------------------------------------------------------------------------------------------
2           1      tq84_db            C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\tq84_db.mdf
66          2      tq84_db_log        C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\tq84_db_log.ldf

See also

sys.sysdbfiles

Index

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