Skip to main content

[MSSQL]: Common T-SQL



-- Check version
PRINT @@Version


 SELECT * FROM sys.configurations


-- Show all processes
SELECT * FROM sys.sysprocesses


-- Check active connections
SELECT DB_NAME(dbid) AS DBName, COUNT(dbid) AS NumberOfConnections, loginame
FROM sys.sysprocesses
GROUP BY dbid, loginame
ORDER BY DB_NAME(dbid)


-- Check Collation used by all databases
USE Master
GO 
SELECT NAME, COLLATION_NAME 
FROM sys.Databases 
ORDER BY DATABASE_ID ASC 
GO

-- Enable 'sa' login
ALTER LOGIN [sa] ENABLE
GO

Popular posts from this blog

Linux command: tail

tail - output the last part of files
Read more

Linux command: printenv

printenv - print all or part of environment NAME        printenv - print all or part of environment SYNOPSIS        printenv [OPTION]... [VARIABLE]... DESCRIPTION        Print  the  values  of the specified environment VARIABLE(s).  If no VARIABLE is speci‐        fied, print name and value pairs for them all.        -0, --null               end each output line with NUL, not newline        --help display this help and exit        --version               output version information and exit        NOTE: your shell may have its own version of printenv,  which  usually  supersedes  the        version  described  here.  Please refer to your shell's documentation for d...
Read more

Linux command: top

NAME        top - display Linux processes SYNOPSIS        top -hv|-bcHiOSs -d secs -n max -u|U user -p pid -o fld -w [cols]        The traditional switches `-' and whitespace are optional. DESCRIPTION        The  top program provides a dynamic real-time view of a running system.  It can display        system summary information as well as a list of processes or  threads  currently  being        managed  by  the  Linux  kernel.  The types of system summary information shown and the        types, order and size of information displayed for processes are all user  configurable        and that configuration can be made persistent across restarts.        The  program  provides a limited interactive interface for process manipulation ...
Read more