Different types of keys in SQL?


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More SQL Server Interview Questions

Does sql server 2000 clustering support load balancing?

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List the ways in which dynamic sql can be executed?

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How does using a separate hard drive for several database objects improves performance right away?

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How do I list the available tables in a database I'm querying?

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What happens if null values are involved in string operations?

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How to select some specific rows from a table in ms sql server?

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Which one is faster delete/truncate? Why?

1 Answers   Infosys,


What are alternate keys?

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What is the use of commit?

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How can you list all the columns in a database?

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Is Sql non procedural query language?

1 Answers   Verifone,


You are designing a database for your human resources department in the employee table, there is a field for social security number, which cannot contain null values if no value is given, you want a value of unknown to be inserted in this field what is the best approach?

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