Is the primary key an index?

0 Answers  

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write a query to find out the no. of employees whose age is less than 25 and max of salary for the employees belonging to a particular department is less than 20000

6 Answers  

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What are the two types of periodical indexes?

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What is the use of triggers?

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i have a table with fields(id,name,accnt_type)and in account type are FD,SAVING,RD. Write a query to get How many number of People are in each type of Account?

6 Answers   Fidelity, IBM,

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Explain the difference between rename and alias?

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What normalization means?

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wirte a query to remove null? following table are col1 col2 col3 dinesh null null null suresh null null null prakesh i want the output like col1 col2 col3 dinesh suresh prkaesh

6 Answers   TCS,

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name 3 ways to get an accurate count of the number of records in a table? : Sql dba

0 Answers  

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What is a scalar value in sql?

0 Answers  

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how to create object in plsql

2 Answers   TCS,

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How many types of normalization are there?

0 Answers  

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