What is the difference between ‘having’ clause and a ‘where’ clause?

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WHAT IS THE DIFFERENCE BETWEEN CANDIDATE KEY ,COMPOSITE KEY AND PRIMARY KEY. THAN U.

1 Answers   Synergy,

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What does indexation mean?

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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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What is the use of custom fields in report?

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Describe how to use linked server?

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What is the system function to get the current user's user id?

3 Answers   TCS,

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how do we insert 100 records at a time in a table without using for loop in database

1 Answers  

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Explain the characteristics of a transaction server for example atomicity, consistency, isolation, durability?

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how would you troubleshoot blocking? : Sql server database administration

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What is an example of a primary key?

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sql database suspect We have a sql database that is showing as suspect. How can we recover?

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