What is the difference between 2-Tier architecture and 3-Tier architecture

15 Answers   CTS, MCN Solutions, Oracle,

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What is the maximum number of index per table?

0 Answers  

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what is sql injection?

2 Answers  

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What is proper subset of candidate key?

0 Answers  

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What are indexes? When do you need to create Indexes?

4 Answers   CarrizalSoft Technologies, HP,

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Their are two tables 'A' and'B'.Table 'A' contains 3 columns named 'eid','ename','dept'. Table 'B'contains 3 columns named'sid','designation','salary'. We have to retrieve the names of employees working in the same department,same designation and same salary. Its urgent can anyone help me out in this problem.

6 Answers   Tech Mahindra,

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What is mean by candidate key?

0 Answers  

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do views contain data ?

0 Answers   MCN Solutions,

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Explain alternate key, candidate key and composite key in sql server?

0 Answers  

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In join, which clause in not used?

4 Answers   HCL, NIIT, TCS,

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WHICH IS THE BEST INSTITUTE IN HYD FOR "ORACLE"?

3 Answers  

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What is the downside of using udf?

0 Answers  

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