ronaldcmorales

Ronald C. Morales is a highly accomplished Business Analyst at FountMedia. His profound knowledge and analytical prowess enable him to derive valuable insights, strategize effectively, and make impactful contributions to the company's growth and success.

FountMedia, your premier source for B2B Email Lists and specialized list services. Unlock unparalleled access to targeted audiences with our Technology Users, Business Contacts, and Healthcare Professionals Lists. Maximize your outreach strategies and fuel your business growth with accurate and effective data solutions.

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Adding new column with DEFAULT II

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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