what is self join and how it works??

2 Answers   Infosys,

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what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )

2 Answers   Tech Mahindra,

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what are the type of locks ? : Sql dba

0 Answers  

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What is sql injection owasp?

0 Answers  

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Write an sql query to select all records from the table?

0 Answers  

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what is sql optimization

1 Answers   Fidelity,

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How many tables can you join in sql?

0 Answers  

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What is the main reason behind using an index?

0 Answers  

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What are analytic functions in sql?

0 Answers  

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what is primary key? : Sql dba

0 Answers  

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Explain the difference between sql and mysql.

0 Answers  

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What is the default value of CHAR type?

3 Answers   Bosch,

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