How many types of keys are there in sql?
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What is int identity in sql?
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How to retrieve a second highest salary from a table? Note:Suppose salaries are in duplicate values eg: Name Sal Malli 60000 Pandi 60000 Rudra 45000 Ravi 45000
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How can use stored procedures in sql?
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What is secondary key?
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I have the table like this S.No Name ID 01 Xyz 123 I want the result as 01Xyz123 How to write the query to retrieve the entire row data in a single column?
explain mysql aggregate functions. : Sql dba
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how to retrieve the top 3 salaries of the table using rownum