How to Find the Start and End Dates for the Current Week (and more)
Learn to calculate Start / First of Week, End of Week, Start of Next Week, Year, Quarter, and Month of the week, Week Numbers and more in T-SQL (Jeff Moden)
2022-07-13
35,449 reads
Date
Update only Year, Month or Day in a SQL Server Date
In this tip we look at how to change specific parts of a date such as the Year, Month or Day for data stored in a SQL Server table.
2019-12-17
2017-11-20
691 reads
Calculate Age (in years)
An inline table valued function (iTVF) that can be used to calculate age in years.
2016-04-27 (first published: 2016-04-06)
1,112 reads
Checking All Date Columns in a Table(s)
Find minimum and maximum values for all date columns in a table or range of tables, using a mask.
2016-09-15 (first published: 2014-10-27)
3,129 reads
2013-03-11 (first published: 2013-02-20)
2,207 reads
Date Calendar
Code to create a handy date calendar cross-reference table with a ton of pre-populated, slice-and-dice data field variations to aid in complex date parameterization / selection criteria.
2018-04-26 (first published: 2009-10-06)
17,017 reads
Return X Day of Month
This function will return the first, second, third, fourth or last day of a given month.
2009-03-03 (first published: 2009-02-10)
1,221 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 = 1See possible answers
