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What is a null value?


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More SQL PLSQL Interview Questions

State some properties of relational databases?

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How will you debug your procedure? If your procedure is around 2000 lines and the expected output is 10 and we get only output 5.So how will you debug it? Somebody pls give the correct answer?

2 Answers   Fidelity,


How to select all records from the table?

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Why partition by is used in sql?

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Explain two easy sql optimizations.

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How is a process of pl/sql compiled?

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Is keyword pl sql?

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Is t sql a programming language?

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How can we Get the Updated Rows? ie, There is 100s of Rows i updated the Rows who have salary 5000. then i want to select the Updated Rows. How can we achieve it?

4 Answers   Fidelity, KCP,


how would you write a query to select all teams that won either 2, 4, 6 or 8 games? : Sql dba

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Can we rollback after truncate?

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what is purge command explain about oracle performance tuning

2 Answers   Accenture, eCentric Solutions,


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