What are the different levels of abstraction in the dbms?
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What is data independence and also explain its types?
Does youtube use a database?
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What is 1nf in database?
What are the disadvantages of file processing systems?
What is normal form in dbms?
What is the difference between a database and a spreadsheet?
Give the cobol definition of a varchar field 177 when can an insert of a new primary key value threaten referential integrity?
How does distributed database work?
Define weak entity set.
What is Mirrored on-line Redo Log ?
What is the use of drop command?