Paul Mu

  • Interests: Travelling, Movies and Learning a Foreign Language

SQLServerCentral Article

Moving Your Database to a New Server

As DBAs we try our best to appropriately size a SQL Servers to match the anticipated load. But things change over time and we may find that some databases are overloading the server. When it's time to move your database to a new home on another server, Paul Mu brings us a technique for doing so.

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2006-11-16

15,608 reads

SQLServerCentral Article

A Guide to Application Memory Tuning

Working with memory in SQL Server and tuning your server for optimum performance gets more complex all the time, especially with the availability of 64-bit platforms. New author Paul Mu brings us a short guide to using the /3GB and PAE switches along with their implications for your server.

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2006-10-16

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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