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Missing PK and Clustered indexes

This script will find missing PK and Clustered indexes Script or Heap Tables

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Ways to minimize sort operations

In this article Brian Ellul explorea how it's possible to eliminate the SORT operator (and its performance cost) on performing SELECTS statements.

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Do You Really Need Surrogate Keys? Part 1 – Concepts and Methods

This is the first of a series of articles to analyze the use of surrogate keys in different scenarios.

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SQL Server Tables without a Clustered Index

It is a general best practice to have a clustered index on all of your SQL Server tables. Unfortunately, not everybody knows that. This tip helps you find tables that do not have a clustered index.

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A google like search

A conceptual proof for a google like search procedure

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Can a Table Really Have a Clustered Index?

A table doesn't so much "have" a clustered index as a table "is" a clustered index.

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Tables and Clustered Indexes Part 2

A table does not so much 'have' a clustered index as a table 'is' a clustered index.

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Primary Keys which are not Clustered Indexes in a database

Recently I was asked to find all the Primary keys that are not clustered Indexes in the database. I constructed the below script which will help us to locate the primary keys in the database which are...

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When SQL Server Nonclustered Indexes Are Faster Than Clustered Indexes

SQL Server Clustered indexes can have enormous implications for performance of operations on a table. But are there times when a SQL Server non-clustered index would perform better than a clustered...

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Get the all the tables on the server which do not have Clustered index

Get the list of the tables on the server which dont have the clustered index.

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Why Primary Keys can be important on large tables

I inherited a database that was getting large and not performing well. After adding primary keys life got better.

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NONclustered 2 clustered

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Best design for OLTP tables

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Stairway to ColumnStore Indexes Level 8: Optimizing Clustered Columnstore...

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NonClustered Index Structure

Learn how the clustered index keys affect the non clustered index structure.

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Primary Keys which are not Clustered Indexes in a database

Recently I was asked to find all the Primary keys that are not clustered Indexes in the database. I constructed the below script which will help us to locate the primary keys in the database which are...

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Why Primary Keys can be important on large tables

I inherited a database that was getting large and not performing well. After adding primary keys life got better.

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Image may be NSFW.
Clik here to view.

Comparing Space Usage for Different Compression Types

This is an investigation, to get an impression on the impact of the used disk space before and after compression considering different index types. How to fix SQL Server disk I/O bottlenecks (without a...

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Performance Myths : Clustered vs. Non-Clustered Indexes

Aaron Bertrand kicks off his "Performance Myths" series, showing a "redundant" non-clustered index outperforming the clustered index with the same key.

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Where Clustered Index Keys Dare

We’ve blogged a couple times about how clustered index key columns get stored in your nonclustered indexes. But where they get stored is a matter of weird SQL trivia. You see, it depends on how you...

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