What is the e-r model?

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Who proposed the relational model?

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What are the two types of indexes and explain them in detail?

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How is foreign key commands related to primary key?

0 Answers  

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What is the rdbms concept in sql?

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What is the use of ROWS option in EXP command ?

1 Answers  

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What is dbms and its functions?

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What is entity relationship diagram?

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1)How to check tablespace utilization? 2)what are the RMAN CLONING STEPS? 3)what is standby database? 4)what is difference between standalone database and target database? 5)How to backup the standalone database? 6)tell about the ubgrade steps? 7)How to apply the pathes?

0 Answers   Wipro,

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select Nth highest salary by using rownum

4 Answers   Ford, TCS, Tech Mahindra,

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What is the purpose of sql?

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How to detect applications and users that hold transactions open too long?

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