What's the difference between a primary key and a unique key?

10 Answers   Wipro,

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What is the stuff and how does it differ from the replace function?

0 Answers  

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What are entities and relationships?

0 Answers  

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How do I find the query plan in sql server?

0 Answers  

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What is the use of custom fields in report?

0 Answers  

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what is a join and explain different types of joins? : Sql server database administration

0 Answers  

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my problem is tempdb tempdb(dbname) 77752.95 MB(db size) 25345.03 MB (unallocated size) suppose i increased temp db size 10 gb . after increase the temp db showing 87 gb (dbsize) 25346.03MB(unallocated size)--unallocated size is showing same .please clarify.

1 Answers  

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What happens if null values are involved in comparison operations?

0 Answers  

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How to add additional conditions in SQL?

0 Answers   Amdocs,

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i have a table student like sname ----- ram ram ram raj raj raj i need the output like sname ----- ram raj ram raj ram raj

9 Answers   IBM,

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Explain primary key in sql server?

0 Answers  

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Which command displays the SQL command in the SQL buffer, and then executes it?

3 Answers   TCS,

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