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what is the difference between nested subquery and correlated subquery?
When a dml statement is executed, in which cursor attributes, the outcome of the statement is saved?
What is a composite primary key?
Explain the purpose of %type and %rowtype data types with the example?
Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.
What do you mean by stored procedures?
What is case function?
How many row comparison operators are used while working with a subquery?
What are the 3 modes of parameter?
Is it possible for a table to have more than one foreign key?
Explain the difference between rename and alias?
What do you mean by rowid?
Explain dml and ddl?
What is the primary key?
How to select all records from the table?
