Blog Post

Pro and Cons of Parameter Sniffing

Look at the following 3 scripts:
-- 1. Hardcoded
SELECT
*
FROM
Sales.Orders
WHERE
DateAndTime < '19900101'

-- 2. Variable
DECLARE @FilterDate DATETIME = '19900101'
SELECT
*
FROM
Sales.Orders
WHERE
DateAndTime...

2012-01-02

477 reads

Blog Post

How to change the database collation

To change the collation of an database following commands can be used:

ALTER DATABASE [database name] SET SINGLE_USER WITH ROLLBACK IMMEDIATE
ALTER DATABASE  [database name]  COLLATE Newcollation
ALTER DATABASE  [database name]  SET MULTI_USER

For example , suppose if the name...

2012-01-02

2,359 reads

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Question of the Day

Too Many Choices

I have a table, dbo.MasterBrands, with this data:

BrandID OfficialName
1       Samsung
2       Apple
3       Microsoft
4       Adidas
5       Coca-Cola
I run this query. What is returned for Coca-Cola?
SELECT CHOOSE(BrandID, 'Conglomerate', 'Tech and Design', 'Desktop', 'Apparel')
FROM dbo.MasterBrands;

See possible answers