How to assign null values to variables or columns?

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What happens if date-only values are provided as date and time literals?

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How to drop existing indexes in ms sql server?

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What is index, cluster index and nonclustered index?

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How to define the name and server for a new dsn?

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Insert syudents details in table.Current system date &time insert into joining time.How do insert?( in sysdate only return current system date how do add time?)

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Is foreign key unique?

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What is sql sandbox in sql server?

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What are page splits?

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What is a rollup clause?

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Write an sql query to sort a table according to the amounts in a row and find the second largest amount.

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What is triggers and stored procedures?

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