SQL Server/T-SQL Tutorial/System Tables Views/sysdatabases
sysdatabases contains a row for every system and user-defined database on the SQL Server system.
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It appears only in the master database. 5> 6> select top 10 * from sysdatabases; 7> GO name dbid sid
mode status status2 crdate reserved category cmptlevel filename
version
------ ----------------------------------------------------------------
------ ----------- ----------- ----------------------- ----------------------- ----------- --------- ------------------------------------------------
-------
master 1 0x01
0 65544 1090520064 2003-04-08 09:13:36.390 1900-01-01 00:00:00.000 0 90 c:\Program Files\Microsoft SQL Server\MSSQL.1\MS
SQL\DATA\master.mdf
611
tempdb 2 0x01
0 8 1090520064 2008-08-07 20:57:36.090 1900-01-01 00:00:00.000 0 90 c:\Program Files\Microsoft SQL Server\MSSQL.1\MS
SQL\DATA\tempdb.mdf
611
model 3 0x01
0 65544 1090519040 2003-04-08 09:13:36.390 1900-01-01 00:00:00.000 0 90 c:\Program Files\Microsoft SQL Server\MSSQL.1\MS
SQL\DATA\model.mdf
611
msdb 4 0x01
0 65544 1627390976 2005-10-14 01:54:05.240 1900-01-01 00:00:00.000 0 90 c:\Program Files\Microsoft SQL Server\MSSQL.1\MS
SQL\DATA\MSDBData.mdf
611
(4 rows affected)</source>
Verifying the existence of the default database.
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14> 15> CREATE PROC pr_verifydb (@dbname varchar(30)) 16> AS 17> DECLARE @dbid int 18> SELECT @dbid = dbid from sysdatabases 19> where name = @dbname 20> IF @@rowcount = 0 21> RETURN 50 22> RETURN 0 -- Everything is perfect!!! 23> GO 1> 2></source>
