What is the fastest query method to fetch data from the table?
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What is schema?
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What is the use of oracle?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
difference between truncate and delete ,drop?
What are the arithmetic operations?
Explain about integrity constraint?
What is a trigger and what are its types in oracle?
What is the difference between a primary key & a unique key?
In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.
When do I need to use a semicolon vs a slash in oracle sql?
What are operators in oracle?
How many different types of indexes we have in oracle?
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