define primary key & secondary key?

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What is meant by <> in sql?

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Why cannot I use bind variables in ddl/scl statements in dynamic sql?

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How do I get sql certification?

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how do you control the max size of a heap table? : Sql dba

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Is inner join same as self join?

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How do I make sql search faster?

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what is the difference between join and union? : Sql dba

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What is sql injection vulnerability?

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How do I run a pl sql program?

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How are multiple column = value pairs delimited in the SET clause of an UPDATE statement? 1. With commas (SET price = 0, status = 'I') 2. With parentheses (SET (price = 0) (status = 'I')) 3. With double-pipes (SET price = 0 || status = 'I') 4. With square-brackets (SET [price = 0] [status = 'I'] 5. With single or multiple spaces (SET price = 0 status = 'I')

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What are the limitations of sql express?

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