2021-03-18
694 reads
Bob Hovious
- Interests: Eclectic.
Bones of SQL - Practical Calendar Queries
After the first article created a Calendar table, learn how to use this in a practical sense with some common queries.
2020-05-15 (first published: 2016-10-13)
8,242 reads
The Bones of SQL - The Holiday Table
This second part to a previous article on Calendar table generation shows how to create a holiday table containing both fixed-date and variable-date holidays.
2018-12-25 (first published: 2016-09-19)
8,173 reads
Bones of SQL – Grouping By User-Defined Calendar Periods
Although it is common to group by periods such as Week, Month, or Quarter, sometimes alternative periods are needed. This simple technique lets you split a year into periods with any number of days.
2017-12-08 (first published: 2016-09-26)
4,218 reads
Bones of SQL - The Calendar Table
This article introduces the concept of the Calendar table to SQL newcomers and illustrates use of a few columns they might not have imagined.
2017-11-24 (first published: 2016-09-08)
18,317 reads
2016-09-05
1,374 reads
2016-08-18
1,518 reads
T-SQL: Why “It Depends”
Why does everyone use "it depends" as an answer to many T-SQL questions? Bob Hovious brings us a short example of how performance can change based on data loads for the same code.
2010-03-16
13,292 reads
Blogs
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Building a DBA Agent for Your SQL Server Estate with MCP
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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 = 0See possible answers