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Finding Gaps in Sequential Data Using SQL Server
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Practical Reporting Queries with CROSS APPLY (Part 3)
This article continues the series on APPLY, showcasing how some practical reports can be implemented using this operator.
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Managing Feature Flags with GET_BIT() and SET_BIT() in SQL Server
Learn how the bitwise functions SET_BIT() and GET_BIT() can be used to manage data stored inside a single column.
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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 = 1See possible answers
