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Advantages of Data Distribution
The primary benefit of distributed database systems is the ability to access and share data in a reliable and efficient manner.
write an SQL statement to create the database in MYSQL server
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
what is union compatable?
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
List some instances of collection types? a) sets b) arrays c) multisets
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
what is natural join?
how draw er diagram
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
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