Denny Figuerres

I started with computers about 24 years back. First PC was a Commodore VIC 20 and my “Mass Storage” was a cassette tape deck from my stereo gear with a home made A/D converter built from a 555 timer IC. I have worked at a large ISP for several years www.inreach.com based in Stockton California, I was there with the founder John Keagy in the 95-98 time frame when it went from 2,000 subs to 30,000 subs. I ran the support desk for a while and then the IT support including the adoption of RadiusNT form IEA software that logged dialup use form the modem banks to the tune of about 6 million SQL database records per month using SQL 6.5. For the last 4 years I have been working with a Billing and Ops’ system company www.internetsupportsystems.com in florida; I also do custom stuff for different folks in the local area. I have spent many hours with many levels of engineers from Cisco and Motorola. For a while I was on the IETF “Anti Spam Working Group”. I heard a lot of ideas about spam and was able to make some good points about the problem of the internet and the way things work.

SQLServerCentral Article

Port Blocking, SQL Server, and the Internet

The SQL Server ports 1433, was blocked recently by an ISP. New Author Denny Figuerres read our release and decided to bring you some comments about why this isn't such a bad idea. Read on and see if you agree that blocking the SQL Server ports shouldn't present you any problems.

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2004-06-18

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Question of the Day

Changing the Schema

I set up a few users on my SQL Server 2022 instance.

CREATE LOGIN User1 WITH PASSWORD = 'Demo12#1'
CREATE USER User1 FOR LOGIN User1
GO
CREATE LOGIN User2 WITH PASSWORD = 'Demo12#2'
CREATE USER User2 FOR LOGIN User2
GO
CREATE LOGIN User3 WITH PASSWORD = 'Demo12#3'
CREATE USER User3 FOR LOGIN User3
GO
I then created a schema that one of them owned. Under this schema, I added a table with some data.
CREATE SCHEMA MySchema AUTHORIZATION User1
GO
CREATE TABLE Myschema.MyTable(myid INT)
GO
INSERT MySchema.MyTable
(
    myid
)
VALUES
(1), (2), (3)
GO
SELECT * FROM MySchema.MyTable
GO
I granted rights and verified that User2 could access this table.
GRANT SELECT ON Myschema.MyTable TO User2
GO
SETUSER 'USER2'
GO
SELECT * FROM MySchema.MyTable
GO
This worked. Now, I move this schema to a new user.
ALTER AUTHORIZATION ON SCHEMA::Myschema TO User3;
GO
What happens with this code?
SETUSER 'USER2'
GO
SELECT * FROM MySchema.MyTable
GO

See possible answers