How does clustered and non clustered index work?

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I have a website that allows customers to browse and place orders for certain products. I have 2 tables; Customers and Orders. The Customers table holds the customer records and the Orders table holds the orders placed by the customer. Both tables are tied based on the field Cust_ID. Example of the data is shown below: Cust_ID Cust_Name Cust_ID Product Amount Order_Date 1001 John Tan 1001 P-5211 $120.00 2/13/2006 1002 Michael Wong 1001 K-1428 $88.90 1/11/2006 1003 Mary Cheong 1003 C-0923 $82.50 1/27/2006 1004 Ahmad Suffian 1003 K-1428 $88.90 2/2/2006 Write a single SQL statement that extracts all purchase records with the following criteria: 1. Customer names starting with “M” only. 2. Orders placed within the current month only. 3. Amount does not exceed $100.00 The list must be sorted by order date with the latest order showing on top.

3 Answers   Techno Solutions,

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Can two different columns be merged into single column? Show practically?

0 Answers   QuestPond,

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How to use the inserted and deleted pseudo tables?

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What are transactions in sql?

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Can a stored procedure call itself or a recursive stored procedure? How many levels of sp nesting is possible?

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What is the basic difference between clustered and a non-clustered index?

9 Answers   Infogain,

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What are different types of subquery?

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What is hierarchy, what are its types and difference between them? : sql server analysis services, ssas

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9. Write a query to list a new column with the difference in temp of the cities Delhi and Mumbai, Mumbai and Jammu and soon. Consider the following table : City_id City Temp. 1 delhi 40 2 Mumbai 35 3 Jammu 32 4 Pune 18

2 Answers  

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Explain trigger classes i.e. Instead of and after trigger?

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What are system databases into sql server (2005/2008) : sql server database administration

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