Is left join inner or outer?
What are the advantages of VIEW?
What are the types of variables use in pl sql?
Why do we use procedures?
what is foreign key? : Sql dba
Why are indexes and views important to an organization?
Define implicit and explicit cursors.
what is a sub query?how will you calculate working days in a month using sub query?
How pl/sql source code can be protected?
Are sql database names case sensitive?
How do you remove duplicates without using distinct in sql?
What is sql injection owasp?
Could you please provide oca (oracle 10g) dumps for my certification ?