SQL Server STUFF
The STUFF function in SQL Server is one of those little gems that is very under-used but when needed can be a real handy utility – at least that’s...
2022-01-10
25 reads
measure twice, cut once.
More Times Like These with SQL Server
I blogged the other about have some issues translating Oracle date formats to SQL Server date data types I find the way SQL Server handles dates with a defined...
2021-12-06
11 reads
Times Like These with SQL Server
I was doing some conversion of Oracle code (PL/SQL) to SQL Server code (T-SQL) – which had some quirks. I just thought that I’d share a quick tip that...
2021-12-02
18 reads
What exactly is a modern data warehouse?
G’day, I was asked recently what a modern data warehouse is – and that’s a vey thought provoking question. First, there’s the tag “Modern” – I think what’s modern...
2020-12-14
19 reads
OPENJSON and CROSS APPLY
OPENJSON is pretty central to manipulating JSON documents in T-SQL. As we’ve seen, we can use a default schema that will return metadata about the JSON document or we...
2020-06-24 (first published: 2020-06-09)
6,867 reads
OPENJSON and CROSS APPLY
OPENJSON is pretty central to manipulating JSON documents in T-SQL. As we’ve seen, we can use a default schema that will return metadata about the JSON document or we...
2020-06-09
16 reads
OPENJSON and an Alias
Using Aliases in T-SQL is very common. We can alias both Tables (FROM clause) and Columns (SELECT clause) and some other things too. It’s all pretty fundamental to writing...
2020-06-08
285 reads
OPENJSON and an Alias
Using Aliases in T-SQL is very common. We can alias both Tables (FROM clause) and Columns (SELECT clause) and some other things too. It’s all pretty fundamental to writing...
2020-06-08
13 reads
OPENJSON : Getting to the data, and the PATH – PART II
We’ve looked at getting pulling data from a JSON document into relational table format using an explicit schema that was defined in the WITH clause of the OPENJSON table...
2020-06-07
26 reads
OPENJSON : Getting to the data, and the PATH – PART II
We’ve looked at getting pulling data from a JSON document into relational table format using an explicit schema that was defined in the WITH clause of the OPENJSON table...
2020-06-07
7 reads
Blogs
Track SQL Server Configuration Changes Using the Error Log
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Data Engineering Books Worth Having on Your Shelf (or your tablet)
Good documentation gets you started. Good books get you deep. After years of working...
SSMS Evaluation – future ready
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
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SQL Server Showing Out of Space But Plenty of Drive Space
We have a SQL Server installed. We have a 500GB drive for the database....
Question of the Day
Creating a JSON Document IV
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