Nicholas Cain

Nicholas Cain started out as the overnight grunt at the now defunct MicroWarehouse 3 years ago. There he got his first introduction to SQL Server where he found an interest and a little aptitude thanks to the help of some great workmates. He now works as a DBA at T-Mobile USA.

SQLServerCentral Article

Checking Your Database Fragmentation Level

Fragmentation in SQL Server is a huge debate. Does it matter? How much is too much? What should you do? In any case, new author Nicholas Cain has put together a system that allows him to keep track of the levels of fragmentation as well as defragment those tables when he feels they are getting too spread apart.

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2007-10-02 (first published: )

34,772 reads

Technical Article

SQL Blocking and Blocked Proc + Notifi - Part2

Based on the script by Paul Delmarche ( http://www.sqlservercentral.com/scripts/contributions/1482.asp ).Updated to now include the spid, username, blocked and blocking SQL statements in the email (still logged to table).Schedule the procedure to run at defined intervals (I use 2 minutes)

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2005-05-12 (first published: )

1,436 reads

Technical Article

Retrieve Index Information For All Tables - V2

This is an update to sp_helpindex, it allows you to pass the table name and whether you want to retrieve clustered, nonclustered or primary key indexes for a table. Using the sp_msforeach table will allow you to do this for all tables in a database. Inserting the data into a table will allow you to […]

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2004-03-04

1,019 reads

Technical Article

Retrieve Index Information For All Tables

This is an update to sp_helpindex, it allows you to pass the table name and whether you want to retrieve clustered, nonclustered or primary key indexes for a table. Using the sp_msforeach table will allow you to do this for all tables in a database. Inserting the data into a table will allow you to […]

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2004-03-01

1,291 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