Delete Duplicate Records without using Cursor
This script will delete the duplicate records without using cursor
2007-07-18
665 reads
T-SQL
Performance problem in SQL Server 2005
I have written stored procedure which simply read each row one by one and update the some column in same table.SP is running fine in SQL Server 2000 and completed within 5 minutes (around 5 million rows)But same SP in SQL Server 2005, its taking around more than one hour (for same number of rows)Note: […]
2007-07-16
518 reads
The OUTPUT Command
SQL Server 2005 has added many new T-SQL commands, one of which is the OUTPUT command. Longtime SQL Server author Dinesh Asanka brings us a short look at how you can use this command.
2019-08-21 (first published: 2007-07-09)
16,344 reads
2007-07-06
2,184 reads
Script to simplify maintenance of sysproperties
This procedure will maintain the sysproperties table by wrapping system procedures: • sp_addextendedproperty • sp_dropextendedproperty • sp_updateextendedproperty The parameters are: • @object -- primary name of the object being to be maintained. • @column -- column or parameter […]
2007-07-04
430 reads
Script to simplify maintenance of sysproperties
This procedure will maintain the sysproperties table by wrapping system procedures: • sp_addextendedproperty • sp_dropextendedproperty • sp_updateextendedproperty The parameters are: • @object -- primary name of the object being to be maintained. • @column -- column or parameter […]
2007-07-04
93 reads
2007-06-28
2,714 reads
2007-06-20
2,277 reads
Using OVER() with Aggregate Functions
One of new features in SQL 2005 that I haven't seen much talk about is that you can now add aggregate functions to any SELECT (even without a GROUP BY clause) by specifying an OVER() partition for each function. Unfortunately, it isn't especially powerful, and you can't do running totals with it, but it does help you make your code a little shorter and in many cases it might be just what you need.
2007-06-20
3,806 reads
2007-06-19
2,057 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