What are the three basic rules which are to be followed for the relational model of the database?
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How to replace not in with not exist?
What is the maximum length of an extended property?
agregator gives one to many records or many to one record
Who are naive users?
You are testing the performance of a query the first time you run the query, the performance is slow. the second time you run the query, the performance is fast. why is this?
What is dbms explain in brief?
how to find the first two highest salaries in deptno in emp table
What are the key features of dbms?
What is bit datatype and what's the information that can be stored inside a bit column?
what is difference between primary key and unique key ?
What is the database development process?
How to combine two function together?
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