what is self join and what is the requirement of self join? : Sql dba

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What is Function based Index and which type of function we can use in Function base index. can we use aggregate,NVL function in Function based Index..

1 Answers   Metric Stream, Polaris,

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Can procedure in a package be overloaded?

1 Answers   HCL,

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Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.

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Are dml statements autocommit?

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How many levels can subqueries be nested in a FROM clause?

7 Answers  

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Differentiate between syntax and runtime errors.

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What is a unique constraint?

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What does fetching a cursor do?

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What is sql performance tuning?

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Is sql scripting language?

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How do I order columns in sql?

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