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Free SQL Server Learning Resources - Jan'2013

 Database Normalization (some useful links)
http://www.ischool.utexas.edu/~wyllys/DMPAMaterials/normstep.html
http://www.guru99.com/database-normalization.html
http://www.aliencoders.com/content/basics-normalization-examples
SQL Server Programming Fundamentals (some useful links)
http://www.blackwasp.co.uk/SQLProgrammingFundamentals.aspx
http://beginner-sql-tutorial.com/sql-select-statement.htm

SQL Server Database Administration
DBA Responsibilities
http://www.bradmcgehee.com/2011/12/the-day-to-day-tasks-of-the-average-dba/
DBA Best Practices
http://www.bradmcgehee.com/presentations/
Free eBooks (to...

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2013-01-02

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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 = 0
 

See possible answers