How can we avoid duplicating records in a query?


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More SQL PLSQL Interview Questions

What do you mean by dbms? What are its different types?

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Why is stored procedure faster than query?

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What is the purpose of the partition table?

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What is null in pl/sql?

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What are the conditions an underlying table must satisfy before a cursor can be used by a positioned update or delete statement? : Transact sql

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How do we use distinct statement? What is its use?

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Is there a 64 bit version of ssms?

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Is merge a dml statement?

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What are the two different parts of the pl/sql packages?

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Why is pl sql used?

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What are the different types of a subquery?

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