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Answer the following problems.

problem 1) What do you understand by the Data independence?

problem 2) What do you understand by the term Indexing? When do we go for it?

problem 3) What is relational data structure? Give suitable exs.

problem 4) Distinguish between SQL and embedded SQL.

problem 5) describe the term QBE.

problem 6) what is the purpose of using triggers in a data base system?

problem 7) Distinguish between SQL and PL-SQL.

problem 8) What do you understand by defaults? Is there a column to which a default cannot be bound?

problem 9) How Candidate key is different from primary key and super key?

problem 10) What is Sequence? How it is created in PL-SQL?

PL-SQL, Programming

  • Category:- PL-SQL
  • Reference No.:- M98069

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