2016-09-20 (first published: 2016-08-17)
1,026 reads
Scripts
Querying deadlock graph from SQL Extended Events
Sample script to read deadlock graph XML from default system health XEvent.
2016-09-16 (first published: 2014-10-16)
4,677 reads
Checking All Date Columns in a Table(s)
Find minimum and maximum values for all date columns in a table or range of tables, using a mask.
2016-09-15 (first published: 2014-10-27)
3,056 reads
Split string using multiple delimiters - version 2
http://www.sqlservercentral.com/scripts/split+string/117123/
The above script will split upto 256 char length only. This new version will split upto N length.
2016-09-14 (first published: 2014-10-30)
1,851 reads
Calculate distance between 2 coordinates/latlong
This function is used to get the distance between 2 coordinates/latlong in the different formats
2016-09-13 (first published: 2014-10-31)
1,707 reads
Convert integers/numbers into binary format - viceversa
This functions are used to convert integers/numbers into binary format and viceversa.
2016-09-09 (first published: 2014-11-18)
1,897 reads
Date-based table purge
This procedure takes in charge the clean-up for a given table based on a date field
given as parameter and a retention expressed as a number of days.
2016-09-08 (first published: 2014-11-19)
1,528 reads
2016-09-06 (first published: 2014-11-20)
1,853 reads
2016-09-05 (first published: 2015-05-20)
2,675 reads
Stupid Coding Tricks: The T-SQL Mandelbrot
The bar for entry into CodeSOD is pretty straight forward: professionally-developed code that elicits that certain What The— reaction. Though there have been a few exceptions over the years, generally speaking, student code, hobbyist code, and amateur code need not apply. That said, I'd like to try something a little different today. Today's example is not technically professionally-developed, it's a Stupid Coding Trick.
"So I was bored at work one day," Graeme Job explains, "and wondered, what's the most useless thing I could do with my time without actually doing anything. Then it hit me. I could use T-SQL to generate... Mandelbrot."
Graeme continued, "Following is a single T-SQL SELECT statement that generates a text-representation of a Mandelbrot Set. The results are best viewed in text-mode."
2016-09-02 (first published: 2014-12-12)
5,482 reads
Blogs
Stop Using Pandas for Aggregations — Try DuckDB Instead
If you've ever loaded a 2 GB CSV into pandas just to run a...
Understanding Fabric Ontology
By James Serra
What problem is Fabric Ontology trying to solve? For years, most data conversations have...
QUOTENAME Basics: #SQLNewBlogger
By Steve Jones
Recently I ran across some code that used a lot of QUOTENAME() calls. A...
Forums
The New Software Team
Comments posted to this topic are about the item The New Software Team
Database Mail in SQL Server 2022
Comments posted to this topic are about the item Database Mail in SQL Server...
The string_agg function
Comments posted to this topic are about the item The string_agg function
Question of the Day
The string_agg function
We create the following table and then insert some records in it:
create table t1 ( id int primary key, category char(1) not null, product varchar(50) ); insert into t1 values (1, 'A', 'Product 1'), (2, 'A', 'Product 2'), (3, 'A', 'Product 3'), (4, 'B', 'Product 4'), (5, 'B', 'Product 5');What happens if we execute the following query in both Sql Server and PostgreSQL?
select id,
category,
string_agg(product, ';')
over (partition by category order by id
rows between unbounded preceding and unbounded following) as stragg
from t1; See possible answers