State the difference between a primary key and foreign key?
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What is user managed backup in Oracle?
difference between imlicit cursor and explicit cursor ?
If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?
How can one skip any number of rows while loading the DB tables with SQL Loader? Similarly how can one skip any column?
2. Display the item number and total cost for each order line (total cost = no of items X item cost). Name the calculated column TOTAL COST.
How to create an oracle database?
What do database buffers contain?
What is the difference between SQL, DDL, and DML?
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What is the difference between "as" and "is" in an oracle stored procedure?
How do we get field details of a table?
how to use select statement as formal parameter in procedure specification?(someone said that using string) ex:-procedure(a in number,select ename from emp ) i am asking syntax like this?
can you call insert/update/delete in select statements. If yes how? If no what is the other way?