Proper Storage and Handling of Personal Names
As database developers, we may need to rethink the way we store and handle personal names
2016-08-04
8,198 reads
As database developers, we may need to rethink the way we store and handle personal names
2016-08-04
8,198 reads
Find Tables with identity, which should have PK with 1 column but have a PK with multiple columns or where the unique identity is contained in other indexes.
2015-11-24 (first published: 2015-11-04)
167 reads
Find Tables with identity, which should have PK with 1 column but have a PK which is clustered but has multiple columns.
2015-11-24 (first published: 2015-11-04)
954 reads
Creating SQL Server databases is easier than the internet may lead us to believe.
2017-08-11 (first published: 2015-10-29)
8,526 reads
Database Design is one of those tasks where you have to carefully get all the major aspects right. If you mess-up just one of these, it can all go horribly wrong. So what are these aspects that can ruin database design, and how can you get them right? Robert Sheldon explains.
2015-03-19
17,062 reads
Where applications are evolved by gradually molding them to a growing understanding of the business domain, this presents great challenges to database development. If databases are designed too loosely, and initial errors are allowed to fester, the results become harder and harder to refactor until eventually they constitute a database time bomb. Thomas LeBlanc describes how to avoid a few basic, but very common, database time bombs.
2015-03-13
9,069 reads
2014-08-04
2,240 reads
2014-07-16
2,781 reads
2014-01-06
1,861 reads
2013-01-24
2,326 reads
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
By Steve Jones
It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...
By Steve Jones
Software is hard. While I love our Lucid Gravity, I realize that they are...
Comments posted to this topic are about the item Adding new column with DEFAULT...
Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...
Comments posted to this topic are about the item You Need a DBA Pipeline
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