Using “NOT IN” in a query can provide mixed results
The topic came up at work awhile back with using various includes/excludes such as IN, NOT IN, and EXISTS. A...
2011-05-31
1,384 reads
The topic came up at work awhile back with using various includes/excludes such as IN, NOT IN, and EXISTS. A...
2011-05-31
1,384 reads
Security is an important consideration when designing a database application. Who can get access to what data? How much damage...
2011-05-31
2,132 reads
These are five rules for writing from Ernest Hemingway, which I like and recommend for use in your communications. Definitely...
2011-05-30
1,743 reads
What are the most influential papers in the world of Big Data? Let me suggest: http://bit.ly/BigData1 We face a data management problem: IDC 2010 Digital Unverse Study http://bit.ly/BigData2...
2011-05-30
31 reads
What are the most influential papers in the world of Big Data? Let me suggest:...
2011-05-30
24 reads
I have been compiling a list of what things a person can do to become an expert, or guru, in...
2011-05-30
5,090 reads
It’s Memorial Day, and as usual, I have a blooper reel for the editorial. However I couldn’t fit everything in...
2011-05-30
1,660 reads
I was looking at performance of a database and I noticed a few of the plans were very large and...
2011-05-30
2,122 reads
A followup to a post about subqueries with an estimation for how long it would take for the query to...
2011-05-30
3,561 reads
Agile! Scrum! Development methodologies! Sprint!
If you have a manager who reads any web page about being a manager, then you...
2011-05-29
8,421 reads
A RAG pipeline that answers questions in the demo is not the same thing...
By Steve Jones
“A multitude of bad ideas is necessary for one good idea” – from Excellent...
Yesterday I gave a talk for MSSQLTips called “Building a DBA Agent for Your...
Comments posted to this topic are about the item Adding new column with DEFAULT
I've got a web application for my side business. I've added a SQL Server...
Comments posted to this topic are about the item Looking for New Blood
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