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Which database level is closest to the users? External database level is closest to the users.
Java program for horrizontal fragmentation in distributed database
Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.
In Database software have only pure security or some dis secured by administrator?
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
write-set(T): Each data items that are written by a transaction T
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
The ER diagram clearly showing the additional tables you have implemented. SQL table creation scripts for the tables you have set up. SQL scripts showing the sample data you
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