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Define the Third Normal Form: The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definitio
What are the three types of data sources used with ODBC? An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which
Give detail description on Transactions. - Using transactions we can group all SQL commands into a single unit. - Transaction begins with some task and finishes only when a
Which database level is closest to the users? External database level is closest to the users.
a method named WonGame that checks each letter in the word is matched by its label
What is the max. no. Of structures that can be included in a table or structure. Nine.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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