Roman Numerals to integers, and Vice Versa, in SQL:
Here are a couple of functions to convert between roman numerals and integers. They are handy for all sorts of...
2011-09-20
21,314 reads
Phil Factor
- Interests: Motorbikes, Beer, gardening, conservation, Local history.
Brute-force searching for data.
Today, I needed a way of searching through a database, any database, looking for a certain string. The procedure I...
2011-07-08
3,838 reads
Belt and braces
A moment ago, I was deep in some coding. What it was is not entirely relevant, With a page-full of...
2011-06-30
2,602 reads
'Topping and Tailing' strings in database tables
/*
When you are having to extract just part of a string in TSQL, there are a number of techniques you...
2011-06-14
2,233 reads
A Quick TRIM, Sir?
The other day, I was answering a question on the ASK.SQLSERVERCENTRAL.COM forum from a programmer who had hit a
problem...
2011-01-28
2,165 reads
Silly Billiseconds
You have to admire Microsoft for sticking to their guns, even when being palpably stupid. I refer, of course to...
2011-01-13
3,368 reads
Listing members of a group in SQL Server.
In SQL we are used to the GROUP BY and the type of result it produces. In real life, we...
2010-10-11
1,577 reads
Cleaning up excess contiguous spaces in strings. A mystery.
/* Have you ever come across the problem where you have to remove spaces from a string that has too many?...
2010-09-30
2,995 reads
COMPUTE: now it is going, what else will do it?
/*I'd be very surprised if you've ever used the old COMPUTE clause in SQL Server. It is a bit mad,...
2010-09-23
1,634 reads
Ambiguities and the wild object.oriented brigades
--Whilst trying to design a more effective way of detecting dependencies in a SQL Server database, I was mulling over...
2010-07-29
2,027 reads
Blogs
T-SQL Tuesday #202: 100 Hours
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
T-SQL Tuesday
By alevyinroc
T-SQL Tuesday is a monthly blog party hosted by a different community member each...
Exploring DiskANN: Part 2: PQ, SSDs, caching and beam search
How I used AI for this postChatGPT to generate images based on info specifically...
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Question of the Day
Adding new column with DEFAULT
Which number will the COUNT() return after executing the following statements:
DROP TABLE IF EXISTS #test; CREATE TABLE #test (id INT) INSERT INTO #test (id) SELECT * FROM GENERATE_SERIES(1, 3) AS gs ; ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0; go UPDATE #test SET flag = 0 WHERE id = 1 UPDATE #test SET flag = 1 WHERE id = 2 INSERT INTO #test (id) VALUES (4) SELECT COUNT(*) FROM #test AS t WHERE flag = 0See possible answers