What is the data pump import utility?
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How to assign a table row to a record variable?
You create a private database link and upon connection, fails with: ORA-2085: connects to . What is the problem? How would you go about resolving this error?
Differentiate between pre-select and pre-query?
What is flashback Query ? And Use ?
What do database buffers contain?
Explain coalesce function?
does the query needs a hint to access a materialized view?
How to create a testing table in oracle?
Give syntax for SQL and ORACLE joins.
What is integrity and what is constraint??Explain with example
where we have to use ON clause and where we have to use USING clause in JOINS
What is oracle host variable?