In Level 7, we looked at optimizing rowgroup elimination for a nonclustered columnstore index. For a clustered columnstore index, the same technique can be used but the steps and syntax change a bit. This will be covered later – but first, let’s take a look at another significant difference between nonclustered and clustered columnstore indexes, […]
2019-03-26 (first published: 2018-06-20)
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In this level, Hugo explains what batch mode execution is, how it differs from row mode execution, and what its limitations are.
2019-03-26 (first published: 2016-08-31)
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Learn how trusted foreign keys (FK) can help or hurt performance.
2018-08-24 (first published: 2016-03-08)
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By gbargsley
Whether you’re a seasoned DBA or just exploring database tools, DBeaver offers a powerful,...
DBAs should never run SSMS under their everyday Windows account If you open SSMS under...
The honeymoon is over, and macOS 26 Tahoe broke the Rosetta 2 emulation layer...
Import-Module ImportExcel # Path to your .sql file $sqlFile = "C:\Data\MyQueries.sql" $excelPath = "C:\Data\SqlExtract_$(Get-Date...
I have noticed sp_executesql also makes a single plan for a stmt with parameter...
If I want to track which login called a stored procedure and use the value in an audit, what function can I use to replace the xxx below?
create procedure AddNewCustomer
@customername varchar(200)
AS
BEGIN
DECLARE @added VARCHAR(100)
SELECT @added = xxx
IF @customername IS NOT NULL
INSERT dbo.Customer
(
CustomerName,
AddedBy
)
VALUES
(@customername, @added)
END See possible answers