What is the relation of a user account and a schema in oracle?
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What is the usage of merge statement?
write a query to dispaly those name who is more than one in student table? example- in a student table sandeep kumar comes 4 times, rakesh kumar comes 2 times, ajit kumar comes 1 times so query will display sandeep kumar and rakesh kumar single times.
How to define Data Block size ?
Explain index?
Can you tell me how to add new column in existing views?how?How is possible?
What is the difference between a vector and an Array? (Java)
What is the difference between hot backup and cold backup in oracle?
how many columns can a plsql table have
What are the Referential actions supported by FOREIGN KEY integrity constraint ?
What are nested tables?
i have executed the Delete command after the I have created table whether deletions will be commit or not? if table is successfully created?
Please explain oracle left join with an example?