What is a tns service name?
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Explain what does a control file contain?
what is the difference between no rows returned and null returned?
what are corelated subqueries
does Oracle has only one table space?
How to create a table index?
If server is in US and client is in india there is timezone is diffrence, How can we display date in indian time when data is displayed from US server timezone?
Please explain joins in oracle?
What is the difference between a primary key & a unique key?
What is a trigger and what are its types in oracle?
what is the scripts in data base?
what is difference between DBMS and RDBMS?
Write query to fetch second maximum salary from employee table.
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