This article is for newbies who have just started their career in SQL development. Everyone might have faced this problem when importing or inserting data into tables when they accidentally put the data in the wrong columns. The first thought would be to delete the data and start over, but in this tip we look at a simple solution to swap the data.
2009-05-13
2,356 reads
The ROW_NUMBER function has drastically changed the way we can write a number of queries in T-SQL. New author Francis Rodrigues brings us a few places where this function can improve the efficiency of your code.
2010-01-29 (first published: 2009-05-12)
72,847 reads
2009-05-11
4,536 reads
2009-05-07
4,157 reads
2009-05-06
3,973 reads
SQL Server database engine doesn't have a MEDIAN() aggregate function. This is probably because there are several types of median, such as statistical, financial or vector medians. Calculating Medians are essentially a row-positioning task, since medians are the middle value of an ordered result. Easy to do in SQL? Nope. Joe Celko explains why.
2009-05-06
2,024 reads
2009-05-05
4,803 reads
2009-05-04
4,511 reads
Reports all running requests along with the request's identifying information (SPID, login etc), current resource consumption, query batch text, statement text, and XML query plan.
2010-05-24 (first published: 2009-05-01)
5,357 reads
2009-05-01
4,502 reads
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
By ChrisJenkins
Have you been thinking about migrating your reporting to Microsoft Fabric or Snowflake but...
The Joyful Craftsmen has become the new owner of Revolt BI. The merger creates...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers