Oracle General Interview Questions and Answers

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Question	Asked @	Answers	Views

what is the syntax of CREATE command?		8	1972

what is the syntax of DELETE command?		8	1906

what is the syntax of UPDATE command?		8	2532

what is the syntax of INSERT command?		7	1514

what is the syntax of SELECT command?		6	1072

waht is referencial integrity?	Semantic-Space	2	2533

which clause we are not used in where clause?	Semantic-Space	3	2065

what is the syntax of update command?	Semantic-Space	3	1242

i want to know about mr.b.kotravel......who has answered for second maxmium salary from employee table		2	1093

find out the third highest salary?	HCL	90	51826

find out first highest salary?	Verinon-Technology-Solutions	10	4276

find out the second highest salary?	TCS	50	37000

what is difference between foreign key and reference key	AZTEC	3	13149

Hi All, Recently I attended a interview for a developer position in an educational university. They asked me the a question, I answered somehow but I was not not satisfied myself. Can anybody reply for it? The question is: A business user comes to you directly with an urgent request:: there is a problem with some students not being able to re-enrol. It appears that ?something has gone wrong with the end-dating of some previous courses they had enrolled in, and this is preventing them from completing their on-line re-enrolments?. Fortunately the user has done some analysis on the situation, and has developed some code to change the end dates. They tell you that they have tested this code in the ?dev? environment, and it works fine. They are asking you to please get this implemented in production as soon as possible. What steps would you take in response to their request ? Thanks		2	1303

what is difference between cartesian join & cross join even they give same result?	Bank-Of-America	3	4654


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Un-Answered Questions

Question	Views	Asked at	Select

Which environment variables are absolutely critical in order to run the OUI?	117
What are the built-in functions used for sending Parameters to forms ?	789	Oracle
How can we create the complete backup of data in the oracle.	225	Satyam
how to code performance tuning of oracle PL/SQL? can any body send me the perfect answer?	794	IBM
20. Using a set operator, display the client number of all clients who have never placed an order.	223	Wipro
Is it possible to insert comments into sql statements return in the data model editor ?	275	Oracle
IS it possible to built the oracle database without setting the kernal parameters?	224	EDS
while i take backup using ibm tsm the following errors occurred: rman-03009 ora-19513 ora-27206 ora-19502 ora-27030 ora-ora19511	531
ABOUT IDENTITY?	131	HCL
What are the ways tablespaces can be managed and how do they differ?	111
Which is better Oracle or MS SQL? Why?	348	Bally-Technologies
what is the difference between data migration and production migration.	241

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