Brian Knight

Brian Knight, MCSE, MCDBA, is on the Board of Directors for the Professional Association for SQL Server (PASS) and runs the local SQL Server users group in Jacksonville. Brian is a contributing columnist for SQL Magazine and also maintains a weekly column for the database website SQLServerCentral.com. He is the author of Admin911: SQL Server (Osborne/McGraw-Hill Publishing) and co-author of Professional SQL Server DTS (Wrox Press). Brian is a Senior SQL Server Database Consultant at Alltel in Jacksonville and spends most of his time deep in DTS and SQL Server.

SQLServerCentral Article

Creating your own sp_MSforeach stored procedure

This article shows you one of the most time saving stored procedure built into SQL Server and then shows you how you can modify it to affect additional objects like triggers. For example, after this article and the code in the article, you'll be able to disable every trigger in your system in one line of code.

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2002-06-17

16,521 reads

Technical Article

sp_MSforeachfk-Perform an action on every FK

This stored procedure loops through each user defined Foreign Key and performs an action on that FK, like disabling them or printing its name. Please install this stored procedure in the MASTER database. For full usage instructions and advanced parameters please see the article about it at http://www.sqlservercentral.com/columnists/bknight/sp_msforeachworker.asp. .Shortened version of the usage (there are […]

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2002-06-14

672 reads

Technical Article

sp_MSforeachsproc -Perform an action on each sproc

This stored procedure loops through each view and performs an action on that stored procedure, like printing the records or running an sp_help. Please install this stored procedure in the MASTER database. For full usage instructions and advanced parameters please see the article about it at http://www.sqlservercentral.com/columnists/bknight/sp_msforeachworker.asp.Shortened version of the usage (there are a lot […]

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2002-06-14

1,380 reads

Technical Article

sp_MSforeachtrigger-Perform action on each trigger

This stored procedure loops through each trigger and performs an action on that trigger , like disabling or printing it. Please install this stored procedure in the MASTER database. For full usage instructions and advanced parameters please see the article about it at http://www.sqlservercentral.com/columnists/bknight/sp_msforeachworker.asp. Shortened version of the usage (there are a lot more parameters […]

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2002-06-14

675 reads

Technical Article

sp_MSforeachview - Perform an action on each view

This stored procedure loops through each view and performs an action on that view, like counting or printing the records. Please install this stored procedure in the MASTER database. For full usage instructions and advanced parameters please see the article about it at http://www.sqlservercentral.com/columnists/bknight/sp_msforeachworker.asp. Shortened version of the usage (there are a lot more parameters […]

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2002-06-14

2,072 reads

SQLServerCentral Article

SQLsnake Worm Hits SQL Servers and Networks Hard

If you haven't changed the SA password on your SQL Server, you may be soon paying the price. Beginning last week, an old worm has come back in full force, infecting about 100 SQL Servers an hour. Reports of heavy port 1433 scanning began in early may but by the 22nd, the virus really began to take its hold on systems with no SA password.

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2002-05-28

4,814 reads

Technical Article

Detect the Amount of Wasted Data Space in a Table for 2000

SP_WASTED_SPACE will run through each column in your database and print a report of all the character columns. It will then print a report with :* The maximum length that a column is storing* The average length of data stored in each column* The amount of wasted space in each column* Hints on how to […]

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2002-03-14

1,131 reads

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Question of the Day

Fun with JSON I

I have some data in a table:

CREATE TABLE #test_data
(
    id INT PRIMARY KEY,
    name VARCHAR(100),
    birth_date DATE
);

-- Step 2: Insert rows  
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
     (
         SELECT t.* FROM #test_data AS t FOR JSON PATH
     )
             ) t;

See possible answers