Upcoming Free Webinars on Database Development and Operations
Fall is in swing, and it’s officially webinar season! Here’s a bunch of free events I’ve got on my calendar. Weekly Database DevOps Live Chats – a new experiment...
2019-11-19
1 reads
2019-11-16
3 reads
2019-11-16
7 reads
Links and Resources from “How to Architect Successful Database Changes”
Steve Jones and I had a great time today talking about source control for databases and release patterns for performance and availability in Seattle. We had a great group...
2019-11-06
15 reads
2019-11-06
1 reads
2019-11-06
4 reads
Project Management and Advocacy
I’ve observed few similarities between the Project Managers and Advocates. Being Project Manager, law bachelor and little practical experienced as an Advocate, I noticed few similarities. I think it’s...
2019-11-04
3 reads
Project Management and Advocacy
I’ve observed few similarities between the Project Managers and Advocates. Being Project Manager, law bachelor and little practical experienced as an Advocate, I noticed few similarities. I think it’s...
2019-11-04
11 reads
Does it matter ?
A series of articles that will talk about most important but least focused areas in Database Design and Development.
2019-10-31
3 reads
Does it matter ?
A series of articles that will talk about most important but least focused areas in Database Design and Development.
2019-10-31
1 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;