Why Scalar Functions Can Be Costly
Scalar user defined functions can be costly in more ways than you know. Watch Mickey Stuewe show the hidden costs of using them incorrectly.
2017-06-02 (first published: 2016-01-04)
15,186 reads
Mickey
- Interests: My Family, SQL, LEGOS, Action Movies, and Reading.
Writing Better T-SQL: Top-Down Design May Not be the Best Choice – Part II
A second part to the series by Mickey Stuewe on writing better T-SQL looks at some of the issues of using views in a complex query.
2016-08-19 (first published: 2015-06-23)
10,869 reads
Writing Better T-SQL: Top-Down Design May Not be the Best Choice – Part II
A second part to the series by Mickey Stuewe on writing better T-SQL looks at some of the issues of using views in a complex query.
2016-08-19 (first published: 2015-06-23)
10,941 reads
Writing Better T-SQL: Top-Down Design May Not be the Best Choice
One of the best ways in which you can build better applications is by learning to write better T-SQL. Mickey Stuewe begins a new series showing how you might start to think about writing queries.
2016-08-12 (first published: 2015-06-02)
15,897 reads
Writing Better T-SQL: Top-Down Design May Not be the Best Choice
One of the best ways in which you can build better applications is by learning to write better T-SQL. Mickey Stuewe begins a new series showing how you might start to think about writing queries.
2016-08-12 (first published: 2015-06-02)
16,302 reads
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Adding new column with DEFAULT II
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Advanced Deployment Scenarios: Stairway to Reliable Database Deployments Level 7
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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