Tip

SQL Server script grants permissions to users

Here's a simple script that can be customized to quickly grant permissions to various users on all tables or stored procedures. Using this script I was able to reduce the time taken to grant permissions during installation from 30 minutes to 1 second! It is much faster than manually checking boxes next to each table using the Manage Permissions GUI provided in SQL Server. It has been tested on SQL Server 2000.

In this example, I have two users:

  1. test_user has all permissions on all tables
  2. test_reader has only read permission on all tables

Here is the script:

create proc pr_GrantPermissions
as
-- script to grant permissions on all user defined tables and 
-- stored procedures to test_user and test_reader

-- grant all on all tables to test_user
print 'Granting table Permissions ...'
DECLARE tnames_cursor CURSOR
FOR
   SELECT name from sysobjects where xtype='U'

OPEN tnames_cursor
DECLARE @tablename sysname
FETCH NEXT FROM tnames_cursor INTO @tablename
WHILE (@@FETCH_STATUS <> -1)
BEGIN
   IF (@@FETCH_STATUS <> -2)
   BEGIN   
      SELECT @tablename = RTRIM(@tablename) 
      EXEC ('GRANT ALL ON ' + @tablename + ' TO test_User')
      EXEC ('GRANT SELECT ON ' + @tablename + ' TO test_Reader') 
       END
   FETCH NEXT FROM tnames_cursor INTO @tablename
END
CLOSE tnames_cursor
DEALLOCATE tnames_cursor

print 'Granting procedure Permissions ...'

-- grant exec on all procedures to test_user and test_reader
DECLARE proc_names_cursor

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CURSOR FOR SELECT name from sysobjects where xtype='P' OPEN proc_names_cursor DECLARE @procname sysname FETCH NEXT FROM proc_names_cursor INTO @procname WHILE (@@FETCH_STATUS <> -1) BEGIN IF (@@FETCH_STATUS <> -2) BEGIN SELECT @procname = RTRIM(@procname) EXEC ('GRANT ALL ON ' + @procname + ' TO test_User, Test_Reader ') END FETCH NEXT FROM proc_names_cursor INTO @procname END CLOSE proc_names_cursor DEALLOCATE proc_names_cursor print '*********************************************' print 'All permissions granted'

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This was first published in June 2003

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