SQLite and the Performance Implications of Indexes
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
510 reads
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
510 reads
It is occasionally usefully to display a different values in an Access combo box than what is actually stored in...
2016-10-13
445 reads
Python Distributions Python is free and open source software. A programmer could download the executables for Python directly from the...
2016-07-01
577 reads
When doing technical writing, or for that matter most forms of writing , we need to be able to refer to...
2016-02-17
657 reads
The people at Webucator were kind enough to make a video based on my article on dealing with SQL Server...
2015-11-17
393 reads
Although generally I prefer to create custom interfaces for my databases using fully developed programming languages like Python or C#....
2015-07-03
490 reads
I have been thinking about resumes a great deal lately. Since I recently passed the Bar Exam, I have been...
2015-06-14
547 reads
I was recently doing some testing that required a fairly large table. I created the test table, and set it...
2014-05-26
805 reads
I have seen people build procedures that rely on a result set being returned in a certain order. This is...
2013-09-14
750 reads
SQL Server uses a three valued logic with True, False, and Unknown. And, normally, SQL Server Nulls are not comparable....
2013-08-21
1,284 reads
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
When the schema of an object is changed, SQL Server wipes out the previous...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers