Editorial - MP3

Technical Article

Communication Issues

  • Article

When you have a team of people working together to manage systems, communication becomes important. Steve Jones notes that a lack of working with each other and letting the rest of the team know what you are doing can cause unnecessary work for others.

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2009-11-23

1,074 reads

Technical Article

Easy Licenses

  • Article

Software licensing can be complex and confusing. Even in Windows and SQL Server, where hard limits are not enforced, people have problems determining how they should license software. Steve Jones talks about what vendors could do to help us.

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2009-11-19

2,933 reads

Technical Article

Testing at Scale

  • Article

It seems that many companies don't have the luxury of working with a variety of hardware configurations to test their architecture before deploying their applications. Some of the issues involve time and some involve tools. Steve Jones has an idea that could help with the latter today.

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2009-11-16

2,954 reads

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Question of the Day

Adding new column with DEFAULT II

Which number did the two COUNT(*) return:

DROP TABLE IF EXISTS #tmp
CREATE TABLE #tmp (id INT NOT NULL)

INSERT INTO #tmp (id) 
SELECT gs.value
  FROM GENERATE_SERIES(1, 5) AS gs

ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value

ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

See possible answers