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Pro and Cons of Parameter Sniffing
Look at the following 3 scripts: Transact-SQL -- 1. Hardcoded SELECT * FROM Sales.Orders WHERE DateAndTime < '19900101' -- 2. Variable...

Madeira Team
Jan 3, 20123 min read


Staging, temp and variable tables – performance, recompilation and what’s in between
A lot of times, when creating a procedure, we need to use some kind of an empty table in order to perform all kinds of calculations. The...

Madeira Team
Jan 2, 20128 min read
About Snapshots and Ghosts
A few weeks ago Kalen Delaney presented a 3-day seminar in Israel. Unfortunately, I wasn’t able to attend the seminar, but some of our...

Madeira Team
Dec 30, 20115 min read
Monitoring Page Splits
Three months ago, I presented a session at the special Rosh HaShana user group meeting. The session was about Monitoring Page Splits. I...

Madeira Team
Dec 16, 20112 min read


PrintMax
This script creates the “PrintMax” stored procedure, which prints a text of any size. It’s intended to replace the “Print” statement,...

Madeira Team
Dec 11, 20111 min read
Collations vs. Performance
Recently I’ve stumbled upon an apparently little known fact about SQL Server – specifically SQL Server collations and how they affect...

Madeira Team
Nov 28, 20113 min read


SAN Basics and Actual Execution Plans
Last week we organized the 24 Hours of PASS event, and we watched together 24 professional webcasts about SQL Server (well, not all 24)....

Madeira Team
Sep 15, 20112 min read
Answer to the Quiz
Hi Everybody, Congratulation to Yair Gutman who won a free ticket to the Advanced Programming in SQL Server 2008 R2 Course ! Here’s the...

Madeira Team
Aug 28, 20112 min read


Win a Ticket to the “Advanced Programming” Course
We are opening another class of the “Advanced Programming in SQL Server” course on 28/08. You can find all the details here. Here is an...

Madeira Team
Aug 20, 20112 min read


Redundant Indexes
This query returns redundant indexes. An index is considered redundant if there is at least one other index for the same table or view...

Madeira Team
Jul 19, 20111 min read
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