T-SQL

Technical Article

Generating sequential numbers - the fast way

  • Script

It is often necessary to generate a table with sequential numbers, up to a specified upper limit N. For small N, a simple INSERT in a WHILE loop will do. But, for large N, that solution becomes too slow. This script presents a different approach. It generates sequential numbers from the binary representation of N, […]

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2004-12-30 (first published: )

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Technical Article

Convert Numeric Figures into Words

  • Script

Hi guys    What about a function that converts a number figure into words.This sample script is to demonstrate the procedural capabilities of SQL Server . Samples  select fig2words(10) will give --Ten-- ,select fig2words(103) will give --one hundred and three --    The author uses much under utilized capability of SQL Server the recursive function calls to […]

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2003-11-11

556 reads

Technical Article

Strip Non-numeric characters from string function

  • Script

Sometimes it's necessary to strip non-numeric characters from the string, so you can convert to integer without error. Often it happens when you want to use stored procedure, especially system procedures. The output there can be already with some characters (MB, KB and such), but you want this result to be used for your own […]

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2003-11-10

1,312 reads

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Question of the Day

The Maximum Value in the Identity Column

I have a table with this data:

TravelLogID CityID StartDate  EndDate
1           1      2025-01-01 2025-01-06
2           2      2025-01-01 2025-01-06
3           3      2025-01-01 2025-01-06
4           4      2025-01-01 2025-01-06
5           5      2025-01-01 2025-01-06
I run this code:
SELECT IDENT_CURRENT('TravelLog')
I get the value 5 back. Now I do this:
SET IDENTITY_INSERT dbo.TravelLog ON
INSERT dbo.TravelLog
(
    TravelLogID,
CityID,
    StartDate,
    EndDate
)
VALUES
(25, 5, '2025-09-12', '2025-09-17')
SET IDENTITY_INSERT dbo.TravelLog OFF
I now run this code.
DBCC CHECKIDENT(TravelLog)
GO
INSERT dbo.TravelLog
(
    CityID,
    StartDate,
    EndDate
)
VALUES
(4, '2025-10-14', '2025-10-17')
GO
What is the value for TravelLogID for the row I inserted for CityID 4 and dates starting on 14 Oct 2025?  

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