Comments on: SQL SERVER – Clustered Index and Primary Key – Contest Win Joes 2 Pros Combo (USD 198) – Day 3 of 5

By: Subhro Saha

Subhro Saha — Tue, 09 Oct 2012 12:13:50 +0000

Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

c) GUID

Country: India

Additional Hints:

SQL Joes 2 Pros Development Series – The Clustered Index – Simple Understanding

By: Here comes my Free Copy of Joes 2 Pros Combo – Courtesy Pinal Dave « Datta's Ramblings on Business Intelligence 'N' Life

Sun, 09 Sep 2012 11:42:58 +0000

[...] are the questions asked during each day of the contest: Day 1 of 5 | Day 2 of 5 | Day 3 of 5 | Day 4 of 5 | Day 5 of [...]

By: SQL SERVER – Winners – Contest Win Joes 2 Pros Combo (USD 198) « SQL Server Journey with SQL Authority

Mon, 20 Aug 2012 01:31:32 +0000

[...] 3: Sreelekha [Favorite [...]

By: Ankit Shah

Ankit Shah — Thu, 16 Aug 2012 16:27:34 +0000

Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?
Ans : GUID

By: Uday Bhoopalam

Uday Bhoopalam — Mon, 13 Aug 2012 21:13:28 +0000

Hello Pinal,
Answer C: GUID. It is a bad idea to use columns defined as GUID datatype for a Primay key or a clustered index

Country: USA

By: Kalyanasundaram.K

Kalyanasundaram.K — Mon, 13 Aug 2012 14:36:20 +0000

Hi Pinal,

In this additional HInts section, i am most liked link is below :
SQL Joes 2 Pros Development Series – Geography Data Type – Calculating Distance Between Two Points on the Earth

Reason : To know the new thing available in SQL, implemeting this to know the accurate reading between different locations. To avoid improper datatypes for this calculation.

By: S Kumar

S Kumar — Sat, 11 Aug 2012 03:36:16 +0000

Hi Pinal,
I liked your blog post
SQL Joes 2 Pros Development Series – Geography Data Type – Calculating Distance Between Two Points on the Earth

In this blog Geography datatype explained very well and it will help me in future if I need to implement some solution using Geography datatype.

Best Regards,
S Kumar

By: SQL SERVER – Contest – Summary of 5 Day and Additional Information « SQL Server Journey with SQL Authority

Sat, 11 Aug 2012 01:30:51 +0000

[...] Clustered Index and Primary Key – Contest Win Joes 2 Pros Combo (USD 198) – Day 3 of 5 [...]

By: P.Anish Shenoy

P.Anish Shenoy — Fri, 10 Aug 2012 07:55:12 +0000

Hi Sir,

SQL Joes 2 Pros Development Series – Geography Data Type – Calculating Distance Between Two Points on the Earth

is one of the best post that I loved trying out.

The demonstration of the same in the Microsoft TECHED was an eye catcher.
That Ram was actually right in calculating the shortest distance to lanka… :)

By: Kinjal

Kinjal — Thu, 09 Aug 2012 05:29:51 +0000

Question: Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

Answer: c) GUID
Country: INDIA

Favourite article:
SQL Joes 2 Pros Development Series – Data Row Space Usage and NULL Storage

By: Nikunj Nandaniya

Nikunj Nandaniya — Thu, 09 Aug 2012 05:28:11 +0000

Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?
Answer:- c) GUID
Country:- India

By: Kinjal

Kinjal — Thu, 09 Aug 2012 05:26:14 +0000

Question: Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

Answer: c) GUID
Country: INDIA

By: Kumar Harsh

Kumar Harsh — Thu, 09 Aug 2012 05:06:05 +0000

Question: Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

Answer: c) GUID

Country: INDIA

By: Zhen

Zhen — Wed, 08 Aug 2012 21:26:11 +0000

Question: Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

Answer: c) GUID

Country: USA

By: Ramdas

Ramdas — Wed, 08 Aug 2012 18:06:45 +0000

Hi Pinal,
GUID would not be a good candidate for clustered index since it is a wide data type, clustered indexes are preferred to small,narrow,unique and ever increasing(preferably in order to avoid fragmentation).

Country: USA
Name: Ramdas Narayanan

By: Jahid

Jahid — Wed, 08 Aug 2012 16:21:59 +0000

C ) GUID

country: india

By: Sreelekha

Sreelekha — Wed, 08 Aug 2012 13:38:02 +0000

Clustered Index is very detailed explained in
SQL Joes 2 Pros Development Series – The Clustered Index – Simple Understanding.So i would prefer this as my favorite article

By: Nikhildas PC

Nikhildas PC — Wed, 08 Aug 2012 12:35:20 +0000

Ans : c) GUID

The Index data sorting is difficulty on GUID Column.

By: Ganesh narim

Ganesh narim — Wed, 08 Aug 2012 11:06:55 +0000

Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

Ans:- c).GUID

Additional Hints:

SQL Joes 2 Pros Development Series – Geography Data Type – Calculating Distance Between Two Points on the Earth

This article is related with spatial data i really interested in working with spatial data as i’m GIS developer using Spatial Database Engine (SDE) and the scenario with excellent presentation.

By: Saqib Ansari

Saqib Ansari — Wed, 08 Aug 2012 04:28:50 +0000

Usually GUID is not the best choice for Primary Key and Clustered Index.

By: Kumar Harsh

Kumar Harsh — Wed, 08 Aug 2012 04:27:16 +0000

GUID is not best option for primary key anf clustered index both.it is better to break GUID-based Primary Clustered Key into two separate key – the primary (logical) key on the GUID, and the clustering (ordering) key on a separate INT IDENTITY(1,1) column. In fact it is better to have guid datatype as alternate key.GUID fill ratio for index page is terrible.

By: Jignesh

Jignesh — Wed, 08 Aug 2012 04:13:13 +0000

Which of the following datatype is usually NOT the best choice for Primary Key and Clustered Index?

c) GUID

Country: India

Favorite Article:
SQL Joes 2 Pros Development Series – The Clustered Index – Simple Understanding