Can a foreign key be a duplicate?

0 Answers  

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If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??

3 Answers  

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if we give update table_name set column_name= default. what will happen? its given in pl sql block.what will hapen?

5 Answers   iFlex,

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What is dml and ddl?

0 Answers  

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What is procedure in pl sql?

0 Answers  

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7. Where would you look for errors from the database design?

1 Answers   Fintellix,

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Explain the methods used to protect source code of pl/sql.

0 Answers  

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How do you delete duplicates in sql query using rowid?

0 Answers  

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how tsql statements can be written and submitted to the database engine? : Transact sql

0 Answers  

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GLOBAL TEMPORARY TABLE over Views in advantages insolving mutating error?

0 Answers   Virtusa,

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What is int identity in sql?

0 Answers  

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What is sql dialect?

0 Answers  

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