State and explain the different types of data models?

0 Answers  

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What is mean by Program Global Area (PGA) ?

9 Answers   Bajaj,

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We need to compare two successive records of a table based on a field. For example, if the table is CUSTOMER, and the filed is Account_ID, To compare Account_IDs of record1 and record2 of CUSTOMER table, what can be the query ?

3 Answers  

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Is truncate autocommit in oracle?

0 Answers  

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How to Remove the 3rd highest salary person record from table?

9 Answers   HCL, IBM,

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Youre getting high busy buffer waits - how can you find whats causing it?

1 Answers  

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Describe Referential Integrity ?

1 Answers  

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What is the use of Control File ?

3 Answers  

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T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"

2 Answers   Cognizant,

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How many types of database triggers exist?

0 Answers  

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Can a primary key contain more than one columns?

2 Answers  

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How many memory layers are in the oracle shared pool?

0 Answers  

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