Do foreign keys improve performance?

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Explain normalization and what are the advantages of it?

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How global cursor can be declare with dynamic trigger ?

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What are the parts of a basic sql query?

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Which nosql database is best?

0 Answers  

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if a table is getting updated what happens if a function is called from sql query?

2 Answers   RBS,

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what happens if you no create privilege in a database? : Sql dba

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what are all the different normalizations? : Sql dba

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how to achieve this problem?i am having table with two colums like empno,gender. in gender column, i am having records male,female like that .my final output will be male female 5 6

4 Answers   Hexaware,

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What does plvtab enables you to do when you showthe contents of pl/sql tables?

0 Answers  

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write a query to delete similar records in particular fields(columns) in different tables

6 Answers   TCS,

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how to enter numeric values as hex numbers? : Sql dba

0 Answers  

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