What is a cursor variable?
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What are the database administrators utilities available?
Is there any function in oracle similar like group_concat of mysql?
How many file formats are supported to export data?
Explain the difference between a procedure and a function? What do you understand by those terms?
Can a primary key contain more than one columns?
How many data types are supported?
Define the terms primary key foreign key and also the difference between primary and the unique key
What are internal user account in oracle?
What is materialized view in Oracle?
How to find no of saturdays in a month using single sql ?
how many outer joins are used in a single sql query? is there any limitations for using of outer joins?
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How to make a Data Backup in oracle ? What is the procedure for creating the dump files in oracle ( any version ) ?