2019-10-10
1 reads
2019-10-10
26 reads
Split data into N equal groups
In this blog post, you will get the query to “Split data into N equal groups” using SQL Server and you will also see the practical implementation of the...
2019-10-10
70 reads
Split data into N equal groups
In this blog post, you will get the query to “Split data into N equal groups” using SQL Server and you will also see the practical implementation of the...
2019-10-10
737 reads
Leveraging WHILE LOOP
WHILE LOOP can be used for batch processing and can be helpful if you are dealing with huge data processing. Recently I did an analytics project where I had...
2019-10-09
4 reads
Setting a Custom Variable in an Azure DevOps Pipeline with PowerShell
Here’s a quick post on something simple which stumped me for a while, in the hopes that search engines help someone else who gets confused in the same way....
2019-09-02
8 reads
Git Command Line Tutorial with SQL Change Automation for SSMS (video)
I’m really excited for Redgate’s new SQL Change Automation plugin for SQL Server Management Studio (SSMS). SQL Change Automation lets DBAs and developers use a migrations-first approach to create...
2019-08-26
3 reads
Key Findings for Database Professionals from the Accelerate State of DevOps Report 2019
The Accelerate: State of DevOps Report 2019 has just been published. This report is the latest in six years of research. With more than 31,000 survey responses, Accelerate is...
2019-08-22
1 reads
Azure DevOps: How to Set a Custom Release Branch Folder Filter in Build Pipeline Triggers (video)
This is the first in a series of posts about simple things that I had a hard time figuring out in Azure DevOps services. It can be very useful...
2019-08-19
35 reads
SQL Server Management Studio is as Relevant as Ever
After almost fifteen years of heavy usage by developers and database administrators (DBAs), it might seem like Microsoft’s free tool, SQL Server Management Studio (SSMS), is about to go...
2019-08-14
2 reads
Blogs
Control Flow Restartability in Azure Data Factory
I presented at SQL Saturday Pittshburgh this past weekend about populating your data warehouse...
Monday Monitor Tips: Knowing Your RPO
By Steve Jones
A customer was asking recently about the RPO for their estate, and I showed...
Webinar tomorrow: The Role of Databases in the Era of AI
By Steve Jones
I’m hosting a webinar tomorrow with Rie Merritt from Microsoft. We’ll be talking about...
Forums
best choice for index when creating a composite key
hi everyone I am planning on adding a composite key for my tables. I...
Best Approach to cutover from Test to Live with new columns and tables added
We have a Production/Live version with up-to-date data and a Test version with older...
Table Partitioning SQL server 2022
Hi All, I am currently testing the Table Partitioning to implement in SQL server...
Question of the Day
STRING_AGG's behavior
Executing the following script (Sql Server 2022), you get the table t0 with 10 rows:
CREATE TABLE t0
( id INT PRIMARY KEY
, field1 VARCHAR(1000)
, field2 VARCHAR(MAX));
INSERT INTO t0
SELECT
gs.value
, REPLICATE ('X', 1000)
, REPLICATE ('Y', 1000)
FROM generate_series(1, 10, 1) gs;
GOWhat happens if you execute the following statements?
select STRING_AGG(field1, ';') within group (order by id) from t0;
select STRING_AGG(field2, ';') within group (order by id) from t0;