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

469 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

2,351 reads

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RegEx Functions IV

By Steve Jones - SSC Editor

Comments posted to this topic are about the item RegEx Functions IV

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Question of the Day

RegEx Functions IV

I have this data in a table in a SQL Server 2025 database:

EmailAddressID EmailAddress
7              dylan0@ADVENTURE-WORKS.COM
8              Diane1@ADVENTURE-WORKS.COM
If I run this query, which row(s) are returned?
SELECT top 10
 *
 FROM person.EmailAddress
 WHERE REGEXP_LIKE(EmailAddress, '^D', 'i')
 AND BusinessEntityID IN (7,8)

See possible answers